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Software 

Developer's

Guide

South Carolina Department of Revenue | dor.sc.gov | August 2024



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Contents

Tax Return Changes for Tax Year 2024 � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �1

Return Formatting and Line Changes � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �3

Individual Income Tax  � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �3

New MeF Functionality   � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �3

Changes to MeF Business Rules � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �3

Electronic Mandate For Filing and Paying � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 4

Direct Deposit � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �4

Electronic Payment  � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �4

Reminders  � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �5

Programming Payment Preferences � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �5

SCDOR Software Developer Portal � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �5

Setting Up Your Account  � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �5

Submitting Files for Approval  � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �5

Substitute Form Requirements � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �6

Document Requirements  � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �6

File Naming Conventions � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �7

Test Case Requirements � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �7

Common Errors � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �8

Software Updates  � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �8

Common Approval Issues � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �8

SCDOR Mailing Addresses � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �9

Individual Income Tax  � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �9

Fiduciary Income Tax    � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �9

Corporate Income Tax  � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �9

Partnership Income Tax � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �9

Communication Preferences  � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �10

Check Digit Calculation � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �12



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Tax Return Changes for Tax Year 2024

Reduction in the Income Tax Rates
 The 2024 top marginal Individual Income Tax rate is 6.2%.
 Use the SC1040TT, 2024 Tax Tables, to determine your tax.

Increase in Volunteer Deduction for Certain Public Servants
 Increases to $6,000 per tax year. 
 Claim this deduction on line j of the SC1040.

Increase in the Subsistence Allowance for Certain Public Servants
 Increases to $16 per each regular workday in a tax year.
 Claim on line s of the SC1040�

Increase in South Carolina Dependent Exemption
 The 2024 South Carolina Dependent Exemption amount is $4,790.
 Claim on line w of the SC1040�

Increase in Dependent Under the Age of Six Deduction
 The 2024 Dependent Under the Age of Six Deduction is $4,790.
 Claim on line t of the SC1040�

Increase in Classroom Teacher Expenses Credit
 For 2024, the maximum allowable credit is $400.
 Completed I-360 must be included.
 Credit is only available if the South Carolina classroom teacher was not eligible for an expense 
  reimbursement for their teacher supplies and materials. 
 Claim this refundable credit on line 22c of the SC1040.

Maximum Credit for the Industry Partnership Fund Credit
 For tax years beginning after 2022, the maximum credit for a single taxpayer is $500,000. The 
  total amount that can be claimed for all taxpayers is $12 million. If the $12 million limit is not 
  met within 60 days of the opening date for the credit application, the maximum credit for a 
  single taxpayer increases to $1 million until the $12 million maximum total is met.
 Use the TC-36 to claim the credit.

Maximum Credit, Per Site, for the Abandoned Buildings Revitalization Credit
 The maximum credit earned in a tax year for each abandoned building site cannot exceed 
  $700,000.
 Use the TC-55 to claim the credit.

Apprenticeship Credit for tax years ending May 21, 2024 and after
 The credit is equal to the cost of the apprenticeship or $1,000, whichever is greater, for each 
  employed apprentice.

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 For a tax year, the credit cannot exceed:
   $4,000 for an apprentice, or
   $6,000 for the youth apprenticeship program. 
 For a taxpayer to claim the credit for more than four years, the apprentice must:
   complete the apprenticeship, and
   remain an employee of the taxpayer.
 If the apprentice meets those qualifications, the taxpayer is eligible to claim a $1,000 credit for 
  up to three additional tax years. 
 Use the TC-45 to claim the credit. 
 The maximum aggregate credit amount for all taxpayers may not exceed $5 million in a tax year.

Headquarters Credit
 Formerly the Corporate Headquarters Credit
 The credit can be taken against Corporate Income Tax, Corporate License Fee, Bank Tax, 
  Individual Income Tax, and Fiduciary Income Tax.
 Use the TC-8 to claim the credit

Minimum Level of Investment for the Qualifying Recycling Facility Credit
 The minimum level of investment for a qualified recycling facility must be $150 million incurred 
  by the end of the fifth calendar year after the year the taxpayer begins construction or operation 
  of the facility. 
 Use the TC-17 to claim the credit.

Energy Efficient Manufactured Home Credit
 This credit has expired and is only available for taxpayers who qualified before July 2, 2024.
 Use the TC-53 to claim the credit, if the taxpayer qualified by July 1, 2024.

Railroad Expenditures Credit 
 This is a nonrefundable tax credit available for tax years beginning after December 31, 2023, and 
  will be repealed on December 31, 2028.
 The credit is available to eligible taxpayers with qualified railroad reconstruction or replacement 
  expenditures.
 The credit can be taken against Corporate or Individual Income Tax, Bank Tax, Savings and Loan 
  Tax, or Insurance Premium Tax.
 The guidelines for the Railroad Expenditures Credit are administered by the SC Department of 
  Commerce. 
 A copy of the Credit Certificate issued by the SC Department of Commerce must be attached to 
  the tax return� 
 Use the TC-66 to claim the credit. 

Recreational Trail Easement Credit
 This is a nonrefundable tax credit available for tax years beginning after December 31, 2023, and 
  will be repealed on January 1, 2029. 

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    Available to an eligible taxpayer who encumbers property with a perpetual recreational trail 
     easement and right of way. 
    The maximum amount of tax credits allowed for a calendar year cannot exceed $1 million. 
    Use the TC-67 to claim the credit. 

New Forms 
    TC-66 – Railroad Expenditures Credit 
    TC-67 – Recreational Trail Easement Credit

Return Formatting and Line Changes

Individual Income Tax

SC1040
    No changes

TC-62
    Within the various tables, changes to the amounts for:
       rotation credit,
       maximum credit allowed, and
       maximum deduction allowed.

I-335
    For tax year 2024, a taxpayer with South Carolina taxable income less than or equal to $17,330 
     cannot benefit from the 3% rate for active trade or business income.

There are no changes to Fiduciary, Partnership, or Corporate Income Tax returns for 
2024.

New MeF Functionality

There are no changes to MeF functionality for 2024.

Changes to MeF Business Rules

Individual Income Tax
The TC-62 requirement for MeF submission if electronically filing the SC1040 has been removed. If 
claiming the TC-62, a PDF may be attached as a supplemental schedule.

Refer to the State Exchange System (SES) for a complete reference of MeF business rules.

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Electronic Mandate For Filing and Paying

Any SCDOR return owing $15,000 or more must be filed and paid electronically. Visit the pages below 
for a list of electronic filing and paying options.
 Individuals dor.sc.gov/iit-filing
 Fiduciaries  dor.sc.gov/biz-services
 Corporations dor.sc.gov/biz-services
 Partnerships dor.sc.gov/biz-services

Direct Deposit

Use any opportunities to encourage your clients to choose the direct deposit refund option!
Check printing is handled by another state agency. For future tax years:
 The paper refund check option may be limited.
 Taxpayers may experience up to an additional 30 day delay in the printing and mailing of a paper 
  refund check.
We ask that you use the following highlights in your software to promote direct deposit.
Getting a refund? Direct Deposit is fast, accurate, and secure! With direct deposit, you:
 Get your refund deposited directly into your checking or savings account, giving you the fastest 
  access to your refund. 
 Get your refund sooner.
 Help save tax dollars.

Electronic Payment

Use any opportunities to encourage your clients, both individuals and businesses, to pay their 
balance due using an electronic payment option!
We ask that you use the following highlights in your software to promote electronic payment.
Have a balance due? Pay electronically!
 The quickest, easiest way to pay is using the SCDOR’s free online tax portal, MyDORWAY, at  
  dor.sc.gov/pay Through MyDORWAY, you can pay by credit card or ACH Debit.
   For individuals, select Individual Income Tax Payment to get started.
   For businesses, select Business Income Tax Payment to get started.
 Pay by ACH Debit when you file your return electronically.
   When you provide your bank account information, the SCDOR will make a request to your 
    bank for payment of the South Carolina taxes you owe.  Your bank will automatically debit 
    your account for the requested funds.  No further action is needed on your part!
   The ACH Debit amount entered on the SC1040 cannot be greater than the balance due on 
    Line 34.

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Reminders

Individual Income Tax
The SCDOR will not accept Individual Income Tax returns without a valid SSN, ITIN, or FEIN.

Fiduciary Income Tax
Fiduciary Income Tax returns are processed using the FEIN. Require the customer to enter the FEIN.

Corporate Income Tax
Corporate Income Tax returns are processed using the FEIN. Require the customer to enter the FEIN.

Partnership Income Tax
Partnership Income Tax returns are processed using the FEIN. Require the customer to enter the FEIN.

Programming Payment Preferences
Payments included with MeF submissions should default the payment withdrawal date to the same day 
as the return transmission date unless the taxpayer specifies otherwise.

SCDOR Software Developer Portal

Setting Up Your Account
If you have not used our portal in the past, we will set you up in our system first. You will get an email 
when this is done.

Creating Your Login
Follow the steps below to create a login for a new or existing company.
  Go to https://mef.mydorway.dor.sc.gov/ and click on Sign Up Enter your company's Vendor Code (Production ETIN or NACTP) and Legal Name (as written on 
  the LOI).
   These details will also be included in the email sent to the Authorized Representative when 
    your LOI is approved.
 After verification, enter all requested information for your vendor username and password.
   Remember your login information and security question! We can unlock your account or 
    send you a password reset email, but we can't give you any of your login information.

Submitting Files for Approval

MeF Submission Instructions
 Once your account is set up and you log in, you should see a link for “2024” under Year. After 
  clicking on the link, you should see the five form types we support through MeF with “0 out of 5 
  certifications passed”

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 Click into the link under Form Type. On this screen, you should see test cases 1-5. Click into the 
  link for test case #1.
 On this screen, enter in the Submission ID associated with the matching test case.
 We will be notified internally that a test case was submitted.
 After review, we will mark the test case as passed or not passed. This status will be pushed back 
  out to the portal�
 You can check each submission’s approval status at your convenience and can send messages 
  through the portal�

Paper Forms Submission Instructions
 Once you have logged in, click Send a Message under the I Want To tab�
 Select Paper Form Submission under Select Message Type Enter the submission you want reviewed in the message subject line, using the format NACTP_
  FormName_Date (example: 1234_SC1040_09012022).
 Add your attachment, which should be named the same as above. The description should also 
  follow the same format�
 Enter any additional information we might need in the email text box.
 Click Submit to send your message.
 Allow 10 business days for review.
 You will receive a reply email with your pass or fail results after review.

Substitute Form Requirements

Our Software Developer site will keep you informed about recent updates, procedures, as well as 
contain all updated forms, specifications, and test cases.

You must submit all forms indicated on your LOI that have changed or been updated since their last 
approval. We do not require that you submit forms that have not changed unless there has been a 
change in your software that may impact the final version of that form.

Document Requirements

File Layout Specifications
 Forms are designed on a 6x10 grid with 0.5 inch margins on all sides.
 Print all forms in black ink on 20lb unlined white paper size 8.5x11.
   Print voucher forms on the bottom of the page.
   Clearly outline the cutting line at the top of line 45 and include instructions for the taxpayer 
    to properly cut the line.
 Place the 4-digit NACTP code on each form in the top left corner as a replacement for “1350” in 
  line 4, columns 10-13.
   If applicable, place the secondary vendor NACTP code on line 5, columns 10-13, directly 
    below the primary vendor code in line 4.

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File Style Specifications
 The SCDOR standard font for forms is Arial.
 All variable data, including NACTP codes, Form IDs, scan lines, and taxpayer-entered data, must 
  be in OCR-A Extended 12 pt font. 
   The SCDOR also accepts ANSI-Standard OCR-A Type 1 font at 10 pitch characters per inch, but 
    the font must be embedded in the document.
   If OCR-A is not available, the SCDOR will accept test cases printed in Courier New.
   Check digits must be calculated using the Modulus 10 algorithm. Refer to the Check Digit 
    Calculation sheet at the end of this guide for more information.
 Delta (  ) placements and sizes must match the official SCDOR form.

File Naming Conventions

All files must be named according to the following naming conventions:
 NACTPCode_FormNumber_MMDDYYYY
   Example: 1012_SC1040ES_06222021
   The form number in the file name must match the form number on the forms page of the 
    Software Developer site.
   Do not include any dashes or spaces in the form number. 
 If you are submitting files for more than one product with the same NACTP code, include the 
  name of the program in the file name. Failure to do so may result in a duplicate submission 
  rejection.

Test Case Requirements

On our Forms page, links to forms without scanlines will open a PDF. If you have trouble viewing the 
PDF, download the file to your computer and open in your preferred PDF viewer.
 For forms with scanlines:
   Submit all five required test cases in one PDF
   Always use the Scanline and Data Specification documents
Clicking on a link to a form that contains a scanline will take you to a landing page for that form. For 
example, clicking on the SC1040V link on our forms page will open a new page that links you to our grid 
file, our Data and Scanline specs, and our Test Cases.

The grid/final files will not open correctly in Microsoft Edge. Download the file to a local folder and 
open with your preferred PDF viewer.
 For forms without scanlines: 
   submit one blank copy of your form 
   we do not review your submitted test data
List any limitations for the form you are submitting in the text of the submission message. If we do not 
know something is a limitation, we may reject a form. 

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Common Errors

Ensure that all tax law changes for 2024 and other updates are incorporated into your software. 
This prevents delays in the processing of your clients’ returns, issuance of incorrect letters, incorrect 
refunds, and incorrect balance due notices. Some areas of concern include using the following:
 The 2024 Individual Income Tax Tables
 The 2024 South Carolina Dependent Exemption Amount 
 The 2024 Deduction for Dependents Under the Age of Six
 The 2024 Fiduciary Income Tax rates
Review our MeF business rules on the SES to ensure that your product’s implementation will minimize 
rejections. Confirm that the 2D barcode specifications are up to date and that the barcode is easily 
machine-readable.

Software Updates

Notify the SCDOR of all software updates to products after the initial approval. This two-way 
communication is important to make sure we stay informed about bug fixes and features offered to 
taxpayers. In turn, we can help communicate these messages to taxpayers when they contact us, which 
provides better service for our mutual customers.

Common Approval Issues

 Review all current specification documents, including those posted to the SES and the SCDOR 
  software developer’s site for our latest requirements and expectations.
   Contact us at the earliest opportunity with any questions related to form design, form 
    instructions, line changes, tax law changes, or schema changes so we can explain or 
    correct as needed.
 Review our test cases. Make sure the output from your product has correct calculations, 
  required supplemental schedules, and correct and readable scanlines or barcodes.
 Submit your paper and electronic returns early. Sending test samples early reserves your place in 
  the review queue and ensures adequate time for review prior to filing season.

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SCDOR Mailing Addresses

If you list SCDOR mailing addresses, confirm the addresses for accuracy.

Individual Income Tax

                             Estimated Tax (SC1040ES), 
Refunds or No Tax Due                                       All balance due returns 
                               Extension (SC4868), or                                    Correspondence
      (SC1040)                                                     (SC1040)
                               Voucher (SC1040V)
SC1040 Processing Center   SCDOR                       Taxable Processing Center       SCDOR
PO Box 101100              IIT Voucher                 PO Box 101105                   Income Tax
Columbia, SC 29211-0100    PO Box 100123               Columbia, SC 29211-0105         PO Box 125
                           Columbia, SC 29202                                          Columbia, SC 29214-0400

Fiduciary Income Tax

Refunds or no tax due  Estimated Tax (SC1041ES)  All balance due 
                                                                     Extension (SC8736)          Correspondence
returns (SC1041)         Voucher (SC1041V)       returns (SC1041)
SCDOR                  SCDOR                     SCDOR               SCDOR                  SCDOR
Nontaxable Fiduciary   Fiduciary Income Tax      Taxable Fiduciary   Taxable Extension      Fiduciary Tax
PO Box 125             Payment                   PO Box 125          PO Box 125             PO Box 125
Columbia, SC 29214-    PO Box 125                Columbia, SC 29214- Columbia, SC 29214-    Columbia, SC 29214-
0039                   Columbia, SC 29214-0038   0038                0036                   0400

Corporate Income Tax

Refunds or no tax due                                       All balance due returns 
                           Estimated Tax (SC1120CDP),  
returns (SC1120, SC1120S,                              (SC1120, SC1120S, SC1120S-
                               Tentative (SC1120T), or                                   Correspondence
SC1120U, SC1101B, SC1104,                                   WH, SC1120U, SC1101B, 
                               Voucher (SC1120V)
     SC990T, and CL-4)                                   SC1104, SC990T, and CL-4)
SCDOR                      SCDOR                       SCDOR                           SCDOR
Corporate Refund           Corporate Voucher           Corporate Taxable               Corporate Tax
PO Box 125                 PO Box 100153               PO Box 100151                   PO Box 125
Columbia, SC 29214-0032    Columbia, SC 29202          Columbia, SC 29202              Columbia, SC 29214-0400

Partnership Income Tax

                          Estimated Tax 
Refunds or no tax due                            All balance due 
                           (SC1065ES)                                Extension (SC8736)     Correspondence
returns (SC1065)                                 returns (SC1065)
                       Voucher (SC1065V) 
SCDOR                  SCDOR                SCDOR                    SCDOR               SCDOR
Nontaxable             Partnership Tax      Taxable Partnership      Taxable Extension   Partnership Income Tax
Partnership            Payment              PO Box 125               PO Box 125          PO Box 125
PO Box 125             PO Box 125           Columbia, SC 29214-      Columbia, SC 29214- Columbia, SC 29214-
Columbia, SC 29214-    Columbia, SC 29214-  0036                     0036                0400
0037                   0036

                                                       9                               SCDOR |2024  Software Dev Guide



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Enlarge image
Communication Preferences

We prefer that you direct taxpayers to MyDORWAY for the following:
 Registering a new South Carolina business - dor.sc.gov/register
 Making Payments - dor.sc.gov/pay
 Filing Appeals and Penalty Waivers - MyDORWAY.dor.sc.gov
 Request a Payment Plan - dor.sc.gov/payplan
 Filing a Refund Reissue Request - MyDORWAY.dor.sc.gov
 Accessing their 1099 Online - MyDORWAY.dor.sc.gov
 Checking Account Balances - MyDORWAY.dor.sc.gov
 Checking their Refund Status - dor.sc.gov/refund
 Penalty and Interest Calculator - dor.sc.gov/calculator

 Copies of Individual Income Tax return Transcripts for 2021 and newer - MyDORWAY.dor.sc.gov

We prefer that you direct taxpayers to the following resources for tax information:
 SC TIED guide for tax credit descriptions - https://dor.sc.gov/policy/index/policy-manuals
 I-330 Contribution for Check-Off information - dor.sc.gov/forms/find-a-form?name=I-
  330&category=&year=All
 IIT FAQs - dor.sc.gov/tax/individual-income/faq
 Fiduciary FAQs - dor.sc.gov/tax/fiduciary/faq
 Partnership FAQs - dor.sc.gov/tax/partnership/faq
 Corporate FAQs - dor.sc.gov/tax/corporate/faq

We prefer that you do not list our physical locations. Direct taxpayers to dor.sc.gov/contact/in-person 
for location information.
We prefer the following use of our brand:
 Only refer to our agency as South Carolina Department of Revenue or SCDOR.
 Our website is dor.sc.gov. Remove references to sctax.org.
 Our free online tax portal is MyDORWAY.dor.sc.gov.
 Contact Communications@dor.sc.gov if you need another logo variation.

 Connect with us on Facebook (facebook.com/dor.sc.gov), Instagram (instagram.com/thescdor), 
  and X, formerly known as Twitter (x.com/scdor).

                                            10                             SCDOR |2024  Software Dev Guide



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SCDOR Standard Logo

SCDOR All White Logo

SCDOR Primary Brand Colors

RGB: 21 | 32 | 73        RGB: 67 | 156 | 70     RGB: 21 | 121 | 47

CMYK: 100 | 92 | 39 | 43 CMYK: 69 | 0 | 92 | 19 CMYK: 75 | 0 | 100 | 41

                            11                  SCDOR |2024  Software Dev Guide



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Check Digit Calculation

         Check Digit Calculation - Modulus 10 [2121…]  
Modulus 10 [2121...]  - Revised 6/17/2021
         Revised 6/17/2021  Check Digit Calculation - Modulus 10 [2121…]  
The SCDOR uses Modulus 10 weight 2 to calculate the check digit for scan lines on our forms. Each 
         Revised 6/17/2021  
number is assigned a weight in the order of 2121…beginning with 2. These weights are multiplied by 
         The SCDOR uses Modulus 10 weight 2 to calculate the check digit for scan lines on our forms. Each number is 
theTheassignedcheckcorresponding   digit.SCDOR usesThe resultatheof Modulusweightmultiplication10incanweightthebe aordertwo-digit2 tonumbercalculateofwhere2121…beginningeach                                                                                                                                                                        the check digitwithfor2. Thesescan linesweightson ourareforms.multipliedEach numberby the correspondingis               check 
digit treatedis assigneddigit.asTheaasingle digit.resultweightallOnce                                                                                                                                                                               theof ofinresultingthedigitsthearemultiplicationaddedordertogether,ofsubtract2121…beginningcanthebelastadigittwo-digitwithnumber2. Thesewhereweightseacharedigitmultipliedis treatedby theas acorrespondingsingle digit. Oncecheckall 
(rightdigit.ofmost)theof theThetotalresultingresultto10 from                                                                                                                                                            createdigitsofthethecheckaredigit.multiplicationadded together,can besubtracta two-digitthe lastnumberdigitwhere(right most)eachofdigittheistotaltreatedfromas10atosinglecreatedigit.the checkOnce all 
         digit.  of the                                                                                 resulting digits are added together, subtract the last digit (right most) of the total from 10 to create the check 
Example:digit. Scan numberline                                                          assignedx (7)   weight 14.= (2)                                                                                                 The thenis 14                                                converted to = 5.4 1 +              5– 10   = 
         Example: Scanline number (7) x assigned weight (2) = 14. The 14 is then converted to 1 + 4 = 5. 10 – 5 = 5. The check 
5.Example:digitThe checkisdigit is 5.5. Scanline number (7) x assigned weight (2) = 14. The 14 is then converted to 1 + 4 = 5. 10 – 5 = 5. The check 
         digit is 5. 
If theIf theis asum                                                                     summultiple the10, of                                     ischeckadigitmultiplevalue 0.is                                                                                                                of 10, the check digit value is 0. 
         If the sum is a multiple of 10, the check digit value is 0. 
Do notDospacesuse     notin theusecalculation.spaces in the calculation. 
         Do not use spaces in the calculation. 
ExampleExampleScanfor Scanfor      Line withonly: Line with numeric                                                                  only:numeric                                                                                                                                                                                                        
         ExampleColumnScanfor                                   with only: numeric Line                                                           1         2         3                                                                                                                                                                                                                          4         5         6         7  
         Column1234567890123456789012345678901234567890123456789012345678901234567890                                                             1         2         3         4         5         6         7  
         1234567890123456789012345678901234567890123456789012345678901234567890 AAAAAAAAXXBBBBBBBBBXXCCCCCCCCCXXDDEEXXFFFFFFFFFFFXXXXXXXXXXXG 
                                                                                                                                                                                                                          AAAAAAAAXXBBBBBBBBBXXCCCCCCCCCXXDDEEXXFFFFFFFFFFFXXXXXXXXXXXG30801021  123456789  987654321  1208  00000010000           6 
                                                                                                                                                                                                                         30801021  123456789  987654321  1208  00000010000           6 
CheckCheck DigitDigitcalculationcalculationC,for fields B,                                                                           D, andE            B, C,for fields                        Modulus using F starting(21…) 10 D,the from digit.left E and 10 (21…) startingModulus F using                from the left digit.
         CheckNumberDigit calculation B, fields for C,digits:D, andE                                                                                                                           using F 10 Modulus starting(21…) 1 left digit.from the   2  3  4  5  6  7  8  9  9  8  7  6  5  4  3  2  1  1  2  0  8  0  0  0  0  0  0  1  0  0  0  0  
Number digits:                                                                                                                                                                                                          1 2 3 4 5 6 7 8 9 9 8 7 6 5 4 3 2 1 1 2 0 8 0 0 0 0 0 0 1 0 0 0 0
         Multiplier:       Number digits:2 1 1 2 2 3  4 1 5  6 2 7  8 1 9  9 2 8  7 1  6  5  4 2 3  2 1 1 2 1 1 2 2 0 1 8  0 2 0  0 1 0  0 2 0  1 1 0  0 2 0  0 1  2  1  2  1  2  1  2  1  2  1  2  1  2  
Mutiplier:Multiplie                                                                                                                                                                                                     2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2
         Results:  r:        2  1  2  1  2  1  2  1   2  1  2  1  2  1  2  1  2  1  2  1  2  1  2  1  2  1  2  1  2  1  2  1  2    2  2  6  4 10 6 14 8 18 9 16 7 12 5  8  3  4  1  2  2  0  8  0  0  0  0  0  0  2  0  0  0  0  
Results:Results:                                                                                                                                                                                                        2  2 2 62 4  6  4 106  106 148  8 189  149 16 77  121855  8 8163 34  1 4 12 2122 20 08 80  0 00  0 00 00  2 0 00  0 00  0 2 0 0 0 0
         Sum = 2+2+6+4+1+0+6+1+4+8+1+8+9+1+6+7+1+2+5+8+3+4+1+2+2+0+8+0+0+0+0+0+0+2+0+0+0+0=104 
Sum = 2+2+6+4+1+0+6+1+4+8+1+8+9+1+6+7+1+2+5+8+3+4+1+2+2+0+8+0+0+0+0+0+0+2+0+0+0+0=104
         SumCheck= 2+2+6+4+1+0+6+1+4+8+1+8+9+1+6+7+1+2+5+8+3+4+1+2+2+0+8+0+0+0+0+0+0+2+0+0+0+0=104Digit = 10 – 4 =                                                                                                                                                                            6
CheckCheckDigit = 4 10                                                                  Digit = 10 ––4 =                                                                                                                                                                             6        6
         Example for Scan Line with alpha (4 letters in name control field):  
ExampleExampleColumnfor Scanfor ScanLine withalphawith Line                                               letters name(4 in          alpha  field): control                                                             1        (4 letters in name control field):                                                             2         3         4                                                                          5         6         7  
         Column1234567890123456789012345678901234567890123456789012345678901234567890   1         2         3         4         5         6         7  
         1234567890123456789012345678901234567890123456789012345678901234567890  AAAAAAAAXXBBBBBBBBBXXCCCCCCCCCXXDDEEXXFFFFXXGGGGGGGGGGGXXXXXH 
                                                                                                                                                                                                                         33321027  123456789  987654321  1207  CLAR  00000010000     7  AAAAAAAAXXBBBBBBBBBXXCCCCCCCCCXXDDEEXXFFFFXXGGGGGGGGGGGXXXXXH 
                                                                                                                                                                                                                         33321027  123456789  987654321  1207  CLAR  00000010000     7 
         The alpha translation into numeric for check digit calculation is as follows: A=1, B=2, C=3, D=4, E=5, F=6, G=7, H=8, 
The alpha translation into numeric for check digit calculation is as follows: A=1, B=2, C=3, D=4, E=5, F=6, G=7, H=8, I=9, 
         I=9, J=1, K=2, L=3, M=4, N=5, O=6, P=7, Q=8 R=9, S=2, T=3, U=4, V=5, W=6, X=7, Y=8, Z=9.  The alpha translation into numeric for check digit calculation is as follows: A=1, B=2, C=3, D=4, E=5, F=6, G=7, H=8, 
J=1, K=2, L=3, M=4, N=5, O=6, P=7, Q=8 R=9, S=2, T=3, U=4, V=5, W=6, X=7, Y=8, Z=9.I=9, J=1, K=2, L=3, M=4, N=5, O=6, P=7, Q=8 R=9, S=2, T=3, U=4, V=5, W=6, X=7, Y=8, Z=9.  
         Check Digit calculation for fields B, C, D, E, F and G using Modulus 10 (21…) starting from the left digit. 
CheckCheckNumberDigitDigitcalculationcalculationC,for fields B,                                         digits:D, F andE,                               B, fields for C,Modulus using G starting(21…) 10                D,1 left from the digit.F E, and2 (21…) 10 using startingG Modulus 3  4  5  6  7 thefrom 8  9  9 left8  7  6  5  4  3  2  1  1  2  0  7  C  L   A   R  0  0  0  0  0  0  1  0  0  0  0   
digit.Multiplier:       Number digits:2 1 1 2 2 3  4 1  5  6 2 7  8  9 1 9  8 2 7  6 1 5  4 2 3  2 1 1 2 1 1 2 2 0 1 7  C 2 L   A  1 R 2 0  0  0 1 0  0 2 0  1 1 0 2 0  0 1 0                                                                                                                                                                                                                                    2  1   2   1  2  1  2  1  2  1  2  1  2  1  2  
Number digits:Multiplier:       4 53 1 2 8 96 7 9 6 58 7                                3 4 0 7 C2 2 1 1 L 0  0 1 0 0 0 R A 0 0 0 00                                                                                    2  1  2  1   2  1  2  1  2  1  2  1  2  1  2  1  2  1  2  1  2  1  2  1   2   1  2  1  2  1  2  1  2  1  2  1  2  
         Results:             2  2  6  4 10 6 14 8 18 9 16 7 12 5  8  3  4  1  2  2  0  7  6  3   2   9  0  0  0  0  0  0  2  0  0  0  0     
Mutiplier:Results:             2  2  6  4 10 6 14 8 18 9 16 7 12 5  8  3  4  1  2  2  0  7  6  3   2   9  0  0  0  0  0  0  2  0  0  0  0     2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2
Results:Sum = 2+2+6+4+1+0+6+1+4+8+1+8+9+1+6+7+1+2+5+8+3+4+1+2+2+0+7+6+3+2+9+0+0+0+0+0+0+2+0+0+0+0=1232 2 6 4   6  108   9  147  185 8163 4 1 2122 0 7 6 3 2 9 0 0 0 0 0 0 2 0 0 0 0
         Sum = 2+2+6+4+1+0+6+1+4+8+1+8+9+1+6+7+1+2+5+8+3+4+1+2+2+0+7+6+3+2+9+0+0+0+0+0+0+2+0+0+0+0=123 
Sum = 2+2+6+4+1+0+6+1+4+8+1+8+9+1+6+7+1+2+5+8+3+4+1+2+2+0+7+6+3+2+9+0+0+0+0+0+0+2+0+0+0+0=123
         Check Digit = 10 – 3 =                                                                                                                                                                                                                                                               7 
CheckCheckDigit = 3 10                                                                  Digit = 10 ––3 =                                                                                                                                                                             7        7 
                                                                                                                                                                                                                                                                                                                                                                                              12                                              SCDOR |2024  Software Dev Guide






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