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Form 1120-SD: 1120 (Schedule D)
IRS Form 1120-Schedule D is used by corporations to report overall gain or loss from transactions reported on Form 8949, installment sales, like-kind exchanges, and capital loss carryovers. It must be filed by corporations filing Forms 1120, 1120-C, 1120-F, 1120-FSC, 1120-H, 1120-IC-DISC, 1120-L, 1120-ND, 1120-PC, 1120-POL, 1120-REIT, 1120-RIC, 1120-SF, or certain Forms 990-T. The schedule also reports capital gain distributions not reported directly on the main form.
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IRS Form 1120-SD - 1120 (Schedule D)
IRS Form 1120-Schedule D is used by corporations to report overall gain or loss from transactions reported on Form 8949, installment sales, like-kind exchanges, and capital loss carryovers. It must be filed by corporations filing Forms 1120, 1120-C, 1120-F, 1120-FSC, 1120-H, 1120-IC-DISC, 1120-L, 1120-ND, 1120-PC, 1120-POL, 1120-REIT, 1120-RIC, 1120-SF, or certain Forms 990-T. The schedule also reports capital gain distributions not reported directly on the main form.
Risk Radar
Scan points- 1Failing to complete Form 8949 before Schedule D lines 1b, 2, 3, 8b, 9, 10.
- 2Reporting transactions on line 1a or 8a when basis from Form 1099-B is incorrect.
- 3Not using Form 8949 for sales of capital assets not reported elsewhere.
- 4Not reporting gain from installment sales on Schedule D line 4 or 12.
- 5Not including gain from Form 8824 on line 5 or 13.
Plain English
This schedule helps corporations report their capital gains and losses. It summarizes information from other forms like Form 8949. It also reports gains from installment sales and like-kind exchanges. Corporations attach this schedule to their income tax return.
Submission Date
- Filing date: 2025-12-12 08:10:43
- Preparation window: collect IDs, supporting records, and signatures in advance.
- Final review: verify names, dates, and required fields before submission.
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What this form is for
- Use this form when reporting capital gains and losses from sales or exchanges of capital assets, including digital asset transactions, as part of a corporation's Form 1120 tax return.
- Do not use it when reporting sales or exchanges of real property used in a trade or business, gains/losses treated as ordinary, involuntary conversions due to casualty or theft, section 1256 contracts and straddles, or like-kind exchanges.
- Check Form 4797 instead when reporting the sale or exchange of real property used in a trade or business or certain other property.
Form selector
Use this form or another form?
Reporting sales of business real property
These are not capital assets; use Form 4797 for ordinary gain/loss treatment.
✓ Check that the property was used in a trade or business.
Reporting involuntary conversions from casualty or theft
Casualty and theft losses are reported separately on Form 4684.
✓ Check if the property was business or personal.
Reporting gains/losses from section 1256 contracts and straddles
These have special mark-to-market rules under section 1256.
✓ Check if the corporation is a trader in securities or commodities.
Reporting like-kind exchanges of capital assets
Deferred gain treatment requires Form 8824; include result on Schedule D line 5 or 13.
✓ Check that the exchange qualifies as like-kind under section 1031.
Deadline or filing window
Not stated in the official source.
Checklist
What you need before filling it out
Line 1a (Short-term capital gains from Form 8949)
Form 8949, Part I totals · Form 8949, line 7
Line 1b (Short-term capital gains from digital assets)
Form 8949, Part I with code G · Form 8949, line 1b
Line 2 (Short-term capital losses from Form 8949)
Form 8949, Part I losses · Form 8949, line 8
Line 3 (Short-term capital loss carryover)
Prior year Schedule D, line 14 · Prior year tax return
Line 8a (Long-term capital gains from Form 8949)
Form 8949, Part II totals · Form 8949, line 14
Line 8b (Long-term capital gains from digital assets)
Form 8949, Part II with code I · Form 8949, line 8b
Line 13 (Net capital gain or loss)
Calculated from lines 1-12 · Schedule D
Line 5 (Gain from like-kind exchanges)
Form 8824 · Form 8824, line 20
Before you submit
- 1Verify that all transactions reported on Form 8949 are included in the totals on Schedule D.
- 2Confirm that the holding period for each asset is correctly classified as short-term (1 year or less) or long-term (more than 1 year).
- 3Check that digital asset transactions use the correct codes (G–L) on lines 1b, 2, 3, 8b, 9, and 10.
- 4Ensure that any gain deferred under Qualified Opportunity Fund rules is properly reported with elections.
- 5Review that like-kind exchanges are reported on Form 8824 and the gain/loss is included on line 5 or 13.
- 6Confirm that capital loss carryovers from prior years are correctly computed and entered on line 3 or 10.
- 7Check that the form is signed and dated as part of the corporation's Form 1120.
- 8Keep a copy of all supporting documents, including Form 8949 and any broker statements.
How to file this form
- 1Gather all records of capital asset sales, including Form 1099-B, Form 1099-DA, and broker statements.
- 2Complete Form 8949 for each transaction, using the appropriate parts and digital asset codes if applicable.
- 3Total short-term and long-term gains and losses from Form 8949 and enter on Schedule D lines 1a, 1b, 2, 3, 8a, 8b, 9, and 10 as applicable.
- 4Report any gains from like-kind exchanges on line 5 and any capital loss carryovers on lines 3 and 10.
- 5Calculate net capital gain or loss on line 13 and transfer to Form 1120, Schedule D line.
- 6Attach Schedule D to the corporation's Form 1120.
- 7Sign and date the Form 1120.
- 8Keep a copy of the filed return and all supporting schedules for your records.
Known limitations
- 1Do not use Schedule D for sales of real property used in a trade or business; use Form 4797 instead.
- 2Do not use Schedule D for gains/losses treated as ordinary, such as those from a mark-to-market election under section 475(f).
- 3Do not use Schedule D for involuntary conversions due to casualty or theft; use Form 4684.
- 4Do not use Schedule D for section 1256 contracts and straddles; use Form 6781.
- 5Do not use Schedule D for like-kind exchanges; use Form 8824 and then include the result on Schedule D if applicable.
- 6Foreign corporations must report gains from U.S. real property interests under section 897, not on Schedule D alone.
Field map
Compact field-by-field guide
Entity Info
2 items
Full legal name of the corporation and its Employer Identification Number.
Current mailing address and date of incorporation.
Income
3 items
Total revenue from business operations before deducting costs.
Direct costs attributable to producing goods sold by the corporation.
Gross receipts minus cost of goods sold and returns/allowances.
Deductions
1 items
Sum of all business expenses including compensation, rent, interest, taxes, and depreciation.
Tax
2 items
Total income minus total deductions.
Tax calculated on taxable income using the applicable corporate tax rate, minus any credits.
Signatures
1 items
An authorized corporate officer must sign and date the return.
Almost done reviewing the fields?
Fillable formOpen in Editor->The current edition is for tax year 2025. The instructions point to IRS.gov/Form1120 for future developments and note new codes for digital asset transactions (G–L) and deferral of gain invested in a Qualified Opportunity Fund.
What changed or needs a fresh check
- Edition date — confirm the instructions are for tax year 2025 (revision 20/25).
- Digital asset codes — confirm you use the new codes G–L for digital asset transactions on lines 1b, 2, 3, 8b, 9, and 10.
- Form 8949 — confirm you have completed Form 8949 before entering totals on Schedule D.
- Fee — no separate fee is required; Schedule D is part of Form 1120.
- Mailing address — not stated in the official source; use the address for Form 1120.
- Signature — not stated in the official source; the form is signed as part of Form 1120.
Quick Facts
Downloads
After you file
- 1Retain a copy of the filed Schedule D and all supporting documents (Form 8949, broker statements) for at least 3 years after filing.
- 2Monitor IRS account or correspondence for acknowledgment of Form 1120 filing.
- 3If an error is discovered, file an amended Form 1120-X with corrected Schedule D.
- 4Keep records of capital asset basis and holding periods for the life of the asset plus 3 years.
- 5Check for any IRS notices regarding capital gain or loss adjustments and respond promptly.
- 6Store digital asset transaction records, including Form 1099-DA, for potential audit.
Sources
- SRCInstructions p.1 — new codes G–L for digital asset transactions.
- SRCInstructions p.1 — deferral of gain invested in a Qualified Opportunity Fund.
- SRCInstructions p.2 — holding period for short-term is 1 year or less, long-term more than 1 year.
- SRCInstructions p.2 — use Form 4797 for real property used in a trade or business.
- SRCInstructions p.2 — use Form 4684 for casualties and thefts.
- SRCInstructions p.2 — use Form 6781 for section 1256 contracts and straddles.
- SRCInstructions p.2 — use Form 8824 for like-kind exchanges.
- SRCInstructions p.3 — exclusion of gain from qualified community assets (DC Zone).
- SRCInstructions p.4 — foreign corporations report U.S. real property gains under section 897.
- SRCInstructions p.4 — gain or loss on distribution of property in complete liquidation treated as sale at FMV.
Common confusion points
What is the difference between short-term and long-term?
The holding period determines the tax rate. Short-term is 1 year or less, long-term is more than 1 year.
→ Check the acquisition and sale dates for each asset.
Why do I need to use Form 8949 first?
Schedule D is a summary; Form 8949 provides the detail for each transaction.
→ Confirm that all transactions are listed on Form 8949 before entering totals on Schedule D.
How do I report digital asset transactions?
Use the new codes G–L on Schedule D lines 1b, 2, 3, 8b, 9, and 10 after completing Form 8949 with the appropriate codes.
→ Check that you received Form 1099-DA or have records of the transaction.
What if I have a capital loss carryover?
Enter the carryover from prior years on lines 3 (short-term) and 10 (long-term).
→ Verify the prior year Schedule D line 14 and adjust for the $3,000 limitation (if applicable).
How do I report like-kind exchanges?
Use Form 8824 to report the exchange, then include any gain or loss on Schedule D line 5 or 13.
→ Check that the exchange qualifies under section 1031.
What if I sold real property used in my business?
Do not report on Schedule D; use Form 4797 instead.
→ Confirm the property was used in a trade or business and not held for investment.
How do I report gains from Qualified Opportunity Funds?
Report the deferral election and subsequent disposition on Form 8949 and Schedule D with appropriate codes.
→ Check the Instructions for Form 8949 for QOF rules.
What codes should I use for digital assets?
Use codes G, H, I, J, K, L on lines 1b, 2, 3, 8b, 9, and 10 as applicable.
→ Refer to Form 1099-DA and Form 8949 instructions for the correct code.
Workflow map
Related forms and next steps
Before
Current
After
Often used with
⚠ If something goes wrong
- Form 1120-X — amended corporate return to correct errors on Schedule D.
Questions about IRS Form 1120-SD
What is IRS Form 1120-SD used for?
This schedule helps corporations report their capital gains and losses. It summarizes information from other forms like Form 8949. It also reports gains from installment sales and like-kind exchanges. Corporations attach this schedule to their income tax return.
Who must file IRS Form 1120-SD?
Corporations that file Form 1120, 1120-C, 1120-F, 1120-FSC, 1120-H, 1120-IC-DISC, 1120-L, 1120-ND, 1120-PC, 1120-POL, 1120-REIT, 1120-RIC, 1120-SF, or certain Forms 990-T must complete and attach Schedule D (Form 1120).
What information does IRS Form 1120-SD require?
The schedule collects the overall gain or loss from transactions reported on Form 8949, certain transactions not reported on Form 8949, gain from installment sales (Form 6252), like-kind exchanges (Form 8824), and unused capital loss carryovers. It also reports capital gain distributions not reported directly on the main form.
How do I complete IRS Form 1120-SD?
Complete Form 8949 first for all applicable transactions. Then transfer the short-term totals from Form 8949 Part I to Schedule D lines 1b, 2, and 3, and the long-term totals from Form 8949 Part II to lines 8b, 9, and 10. Enter any unused capital loss carryover on line 6. Attach Schedule D to the corporation's income tax return.
What is the difference between short-term and long-term?
The holding period determines the tax rate. Short-term is 1 year or less, long-term is more than 1 year. Check the acquisition and sale dates for each asset.
Why do I need to use Form 8949 first?
Schedule D is a summary; Form 8949 provides the detail for each transaction. Confirm that all transactions are listed on Form 8949 before entering totals on Schedule D.
How do I report digital asset transactions?
Use the new codes G–L on Schedule D lines 1b, 2, 3, 8b, 9, and 10 after completing Form 8949 with the appropriate codes. Check that you received Form 1099-DA or have records of the transaction.
What if I have a capital loss carryover?
Enter the carryover from prior years on lines 3 (short-term) and 10 (long-term). Verify the prior year Schedule D line 14 and adjust for the $3,000 limitation (if applicable).
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