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                         Form 56
                         Net Operating Loss Schedule                                                                       2023

Names as shown on return                                                                 Social Security number or EIN

   Loss or Absorption Year                                           2001 2002 2003 2004 2005 2006                    2007 2008

1.  Idaho adjusted income per return ................

2.  Idaho net operating loss carryforward/
   carryback. Enter as positive .........................

3. Net capital loss. Enter as positive ..................

4.  Idaho capital gains deduction. Enter as 
   positive .........................................................

5. Idaho qualified business income deduction. 
   Enter as positive. (For years beginning in 
   2019.) ...........................................................

6.  Casualty losses on Idaho property included 
   in itemized deductions. Enter as negative ....

7.  Idaho net operating loss. Add lines 1 
   through 6 ......................................................

8.  Idaho absorption income. Add lines 1 
   through 6 ......................................................

EFO00051 09-18-2023                                                                                                        Page 1 of  3 



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                                                                                                   Form 56     2023     (continued)
Names as shown on return                                                                 Social Security number or EIN

   Loss or Absorption Year                                           2009 2010 2011 2012 2013 2014                    2015 2016

1.  Idaho adjusted income per return ................

2.  Idaho net operating loss carryforward/
   carryback. Enter as positive .........................

3. Net capital loss. Enter as positive ..................

4.  Idaho capital gains deduction. Enter as 
   positive .........................................................

5. Idaho qualified business income deduction. 
   Enter as positive. (For years beginning in 
   2019.) ...........................................................

6.  Casualty losses on Idaho property included 
   in itemized deductions. Enter as negative ....

7.  Idaho net operating loss. Add lines 1 
   through 6 ......................................................

8.  Idaho absorption income. Add lines 1 
   through 6 ......................................................

EFO00051 09-18-2023                                                                                                        Page 2 of 3 



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                                                                                                   Form 56     2023     (continued)
Names as shown on return                                                                 Social Security number or EIN

   Loss or Absorption Year                                           2017 2018 2019 2020 2021 2022                    2023

1.  Idaho adjusted income per return ................

2.  Idaho net operating loss carryforward/
   carryback. Enter as positive .........................

3. Net capital loss. Enter as positive ..................

4.  Idaho capital gains deduction. Enter as 
   positive .........................................................

5. Idaho qualified business income deduction. 
   Enter as positive. (For years beginning in 
   2019.) ...........................................................

6.  Casualty losses on Idaho property included 
   in itemized deductions. Enter as negative ....

7.  Idaho net operating loss. Add lines 1 
   through 6 ......................................................

8.  Idaho absorption income. Add lines 1 
   through 6 ......................................................

EFO00051 09-18-2023                                                                                                       Page 3 of 3 



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                     Form 56 — Instructions
                     Net Operating Loss Schedule                                                 2023

General Instructions                                 ‚  For tax years 2018 through 2020, this is 
A net operating loss (NOL) occurs when the                  Form 40, line 12
amount of Idaho taxable income, after making 
                                                     Part-year and nonresidents:
modifications, is less than zero. Idaho calculates 
                                                     ‚  For tax years 2001 through 2008, this is 
the Idaho NOL differently than the federal NOL, 
so you always must add back the NOL claimed                 Form 43, line 34, column b 
on your federal income tax return. Idaho allows      ‚  For tax year 2009, this is Form 43, line 33, 
a deduction to individuals, C corporations, trusts,         column b
and estates. S corporations and partnerships aren’t  ‚  For tax years 2010 through 2017, and 2021 
allowed an NOL deduction. Instead, any losses               through 2023, this is Form 43, line 31, column 
pass through to the shareholders and partners.              b
You can use an NOL by deducting it from your         ‚  For tax years 2018 through 2020, this is 
income in another year or years.                            Form 43, line 32, column b
A net operating loss calculated by an affected       Trusts and Estates:
business entity (ABE) may not be passed through      •  Enter the Idaho taxable income (loss) before the 
to its member, but may be carried forward as an      exemption deduction. 
Idaho net operating loss to succeeding taxable       ‚  For tax year 2001, this is Form 66, line 12
years for which the ABE elects to be subject to tax 
                                                     ‚  For tax years 2002 through 2019, this is 
as an ABE.
                                                            Form 66, line 7
If the ABE does not make an ABE election in any 
                                                     ‚  For tax years 2020 through 2023, this is 
succeeding taxable year, the unused Idaho net 
                                                            Form 66, line 7 minus line 8
operating loss will flow through to the members.
                                                     ABEs:
Include Form 56 or your own schedule with the 
return for any year you compute an NOL. Also,        •  For tax years 2021 through 2023, this is Form 
include Form 56A showing the NOL carryforward/       41S, line 43 or Form 65, line 41.
carryback calculation, if applicable.                Corporations:
                                                     •  Enter the Idaho taxable income (loss) from 
Specific Instructions                                Form 41. 
Calculation of Idaho NOL                             ‚  For tax years 2001 through 2003, this is 
Complete lines 1 through 8 to compute and use               Form 41, line 35
your Idaho NOL.                                      ‚  For tax years 2004 through 2023, this is 
Corporations—skip lines 3 through 5.                        line 37.
Trusts, estates, and ABEs—skip lines 4 and 5.        Line 2. Add any Idaho NOL carryback/carryover 
An absorption year is the year you use the NOL to    deduction for losses from prior years. Enter the 
offset your income. An NOL year is the year you      amount as a positive number.
incurred a loss.                                     Individuals:

Line 1. The calculation of the Idaho NOL starts with Full-year residents:
Idaho adjusted income. Enter the Idaho adjusted      ‚  Form 39R, section B, line 1
income (loss).                                       Part-year and nonresidents:
Individuals:                                         ‚  Form 39NR, section B, line 1
Full-year residents:                                 Trusts and Estates:
‚  For tax years 2001 through 2009, this is          •  For tax year 2001, this is line 7
         Form 40, line 13                            •  For tax years 2002 and 2003, this is 
‚  For tax years 2010 through 2017, and 2021         Schedule B, line 6
         through 2023, this is Form 40, line 11      •  For tax years 2004 through 2006, this is 
                                                     Schedule B, line 7

EIN00022 09-18-2023                                                                              Page 1 of 2 



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                                                                    Form 56 — Instructions    2023   (continued)

•  For tax years 2007 through 2010, this is         Individuals:
Schedule B, line 6                                  Full-year residents:
•  For tax years 2011 through 2020, this is               ‚  For tax years 2019 and 2020, this is 
Schedule B, line 7                                            Form 40, line 11
•  For tax years 2021 through 2023, this is               ‚  For tax years 2021 through 2023, this is 
Schedule A, line 11                                           Form 40, line 18
ABEs:                                               Part-year and nonresidents:
•  For tax years 2022 and 2023, this is Form              ‚  For tax years 2019 and 2020, this is Form 43, 
41S, line 40 or Form 65, line 38.                             line 31
Corporations:                                             ‚  For tax years 2021 through 2023, this is 
•  For tax years 2001 through 2003, this is                   Form 43, line 40
Form 41, line 34                                    Trusts and Estates:
•  For tax years 2004 through 2023, this is               ‚  Form 66, line 8
Form 41, line 36                                    Corporations and ABEs:
Line 3. Add the net capital loss deduction claimed  •  Don’t enter anything on this line
on the federal return. For example, a taxpayer 
                                                    Line 6. Subtract any casualty losses on Idaho property 
reported a $4,000 capital gain and a $5,000 capital 
                                                    included in itemized deductions on federal Schedule A. 
loss on federal Schedule D. The capital loss 
                                                    Enter the amount as a negative number. Losses 
deduction included in Idaho adjusted income (loss) 
                                                    resulting from Ponzi schemes are considered theft 
is $1,000. Enter the amount as a positive number.
                                                    losses, not casualty losses. You must add back those 
Individuals:                                        amounts in determining the amount of an Idaho NOL.
•  Federal Schedule D (Form 1040)                   Individuals:
Trusts, Estates, and ABEs:                          •  Federal Schedule A
•  Federal Schedule D (Forms 1041, 1041S, or        Corporations, Trusts, Estates, and ABEs:
1065)
                                                    •  Don’t enter anything on this line
Corporations:
•  Don’t enter anything on this line                Line 7. Idaho net operating loss. Add lines 1 through 
                                                    5, then subtract line 6 for loss years only. Enter the 
Line 4. Add any Idaho capital gains deduction       result here. For absorption years, skip line 7 and go to 
claimed on your Idaho return. Enter the amount as   line 8.
a positive number.
                                                    Line 8. Idaho absorption income. Add lines 1 
Individuals:                                        through 5, then subtract line 6 for absorption years 
Full-year residents:                                only. Enter the result here.
‚  Form 39R, section B, line 10
                                                    See Idaho Form 56A to compute the Idaho NOL 
Part-year and nonresidents:                         carryback/carryover.
‚  Form 39NR, section B, line 6
Corporations, Trusts, Estates, and  ABEs:
•  Don’t enter anything on this line

Line 5. Add any Idaho qualified business income 
deduction claimed on your Idaho return. Enter the 
amount as a positive number.

                                               Contact us:
                     In the Boise area: (208) 334-7660  |Toll free: (800) 972-7660
                            Hearing impaired (TDD) (800) 377-3529
                                        tax.idaho.gov/contact
EIN00022 09-18-2023                                                                                   Page 2 of 2 






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