2020 IA 1120S 
                                                                                        Iowa Income Tax Return for S Corporation 
                                                                                                                                                         tax.iowa.gov 
For Calendar Year 2020 or other fiscal year (MMDDYY): ___________________  to   ____________________  
Check all that apply:   Name/Address Change ☐      Short Period ☐                            Amended Return (Include IA 102) ☐ 
Part I: Corporation Name and Address 
Name: ______________________________________________                                   Federal Employer Identification Number (FEIN): __________________  
Street address: _______________________________________                                Business code: ____________________________________________  
 ___________________________________________________                                   Total number of shareholders:  
City: ___________________ State: _______ ZIP:  ___________                             Number of Iowa shareholders: ________________________________  
County number: ______________________________________                                  Is this a first or final return? If yes, check the appropriate box. 
State S Corporation Representative: ______________________                             First Return                     New Business ☐           Successor ☐             Entering Iowa ☐ 
Phone number: _______________________________________                                  Final Return                     Reorganized .........   ☐ Merged ..........  ☐
                                                                                                                        Dissolved ..............   ☐ Withdrawn ......  ☐
                                                                                                                        Bankruptcy ...........   ☐ Other ..............  ☐___________  
Part II: Corporation Information 
Type of Return:     S Corporation ☐        Interest Charge Domestic International Sales Corporation                               ☐    Foreign Sales Corporation ☐ 
Is this an inactive corporation? ...............................................................................   Yes ☐  No ☐ 
Was federal income or tax changed for any prior period(s)? ..................................   Yes ☐  No ☐  Tax Period(s): _________________________  
Is the corporation’s business carried on entirely within Iowa? ................................   Yes ☐  No ☐ 
Date of S corporation election (MM/DD/YYYY):  ________________________________  
Part III: Modification of Corporation Income                                                                                                             Enter Whole Dollars 
1.   Net income per federal form 1120S Schedule K. (See instructions). ...................................................................... 1.  __________________  
2.   Interest and dividends exempt from federal income tax. (See instructions) ..................2. __________________ 
3.   Other additions. Include schedule ................................................................................3. __________________ 
4.   Total additions. Add lines 2 and 3 ........................................................................................................................... 4.  __________________  
5.   50% of federal income tax ............................................................................................5. __________________ 
6.   Interest and dividends from federal securities. (See instructions) .................................6. __________________ 
7.   Other reductions. Include schedule ..............................................................................7. __________________ 
8.   Total reductions. Add lines 5, 6, and 7 ................................................................................................................... 8.  __________________  
9.   Net modifications. Subtract line 8 from line 4 .......................................................................................................... 9.  __________________  
10.  Modified federal net income. Add line 1 and line 9 ................................................................................................ 10.  __________________  
11.  Tax on built-in gains, passive investment income, or tax resulting from an audit. (See instructions). .................... 11.  __________________  
Amount owed: Make check payable to Iowa Department of Revenue. Submit with either form IA 1120V or IA103 as appropriate. 
Part IV: Business Activity Ratio (BAR) See instructions.                                                                Enter Whole Dollars 
                      Types of Income                                                  Column A-Iowa Receipts                          Column B-Receipts Everywhere 
1.   Gross receipts ............................................................  
2.   Net dividends. (See instructions) .................................  
3.   Exempt interest ...........................................................  
4.   Accounts receivable interest .......................................  
5.   Other interest ..............................................................  
6.   Rent ...........................................................................  
7.   Royalties ....................................................................  
8.   Capital gain/(loss) .......................................................  
9.   Ordinary gains/(loss) ...................................................  
10.  Partnership gross receipts. Include schedule .............. 
11.  Other. Include schedule ..............................................  
12.  TOTALS. Add lines 1 through 11 ..............................12.  _______________________________    _______________________________  
13.  BAR to six decimal places. Divide line 12, column A, by line 12, column B ................................ 13. _____________________________ % 
Part V: Information from Prior Period Iowa Return  
Corporation name: ___________________________________  Net Income/(Loss): $ ____________________  FEIN: ____________________  
File electronically. A complete copy of your federal return must be filed with this return, not including federal K-1s. 
I, the undersigned, declare under penalties of perjury or false certificate, that I have examined this return, and, to the best of my knowledge and 
belief, it is true, correct, and complete. 
Officer’s signature: ________________________________________   Title: __________________________________   Date: _____________  
Preparer’s signature: ______________________________________   Preparer PTIN: __________________________   Date: _____________  
Preparer’s address: __________________________________________________________________________________________________ 
Mail to:  Corporation Return Processing, Iowa Department of Revenue, PO Box 10468, Des Moines IA 50306-0468 

        42-004 (09/29/2020)