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Product Number Title Revision Date Posted Date
Instruction 1120-FSC Instructions for Form 1120-FSC, U.S. Income Tax Return of a Foreign Sales Corporation Dec 2025 02/12/2026
Instruction 4626 Instructions for Form 4626, Alternative Minimum Tax - Corporations 2025 02/02/2026
Instruction 1120-REIT Instructions for Form 1120-REIT, U.S. Income Tax Return for Real Estate Investment Trusts 2025 01/30/2026
Instruction 1120-S Instructions for Form 1120-S, U.S. Income Tax Return for an S Corporation 2025 01/30/2026
Instruction 5471 Instructions for Form 5471, Information Return of U.S. Persons With Respect to Certain Foreign Corporations Dec 2025 01/30/2026
Instruction 1120-IC-DISC Instructions for Form 1120-IC-DISC, Interest Charge Domestic International Sales Corporation Return Dec 2025 01/29/2026
Instruction 1120-RIC Instructions for Form 1120-RIC, U.S. Income Tax Return For Regulated Investment Companies 2025 01/29/2026
Instruction 1120-L Instructions for Form 1120-L, U.S. Life Insurance Company Income Tax Return 2025 01/29/2026
Instruction 1120-PC Instructions for Form 1120-PC, U.S. Property and Casualty Insurance Company Income Tax Return 2025 01/28/2026
Instruction 1120-F Instructions for Form 1120-F, U.S. Income Tax Return of a Foreign Corporation 2025 01/26/2026
Instruction 4466 Instructions for Form 4466, Corporation Application for Quick Refund of Overpayment of Estimated Tax Dec 2025 01/21/2026
Instruction 1120 Instructions for Form 1120, U.S. Corporation Income Tax Return 2025 01/20/2026
Instruction 1120-C Instructions for Form 1120-C, U.S. Income Tax Return for Cooperative Associations 2025 01/20/2026
Instruction 1120-H Instructions for Form 1120-H, U.S. Income Tax Return for Homeowners Associations 2025 01/16/2026
Form 1120-IC-DISC Interest Charge Domestic International Sales Corporation Return Dec 2025 01/13/2026
Form 4466 Corporation Application for Quick Refund of Overpayment of Estimated Tax Dec 2025 01/13/2026
Form 1120-S (Schedule K-1) Shareholder's Share of Income, Deductions, Credits, etc. 2025 01/13/2026
Instruction 1120-S (Schedule K-3) Shareholder's Instructions for Schedule K-3 (Form 1120-S), Shareholder's Share of Income, Deductions, Credits, etc. - International 2025 01/12/2026
Instruction 1120-S (Schedule K-1) Shareholder's Instructions for Schedule K-1 (Form 1120-S), Shareholder's Share of Income, Deductions, Credits, etc. 2025 01/12/2026
Instruction 1120-S (Schedule K-2 & K-3) S Corporation Instructions for Schedules K-2 and K-3 (Form 1120-S), Shareholders' Pro Rata Share Items - International and Shareholder's Share of Income, Deductions, Credits, etc. - International 2025 01/12/2026
Form 1120-S (Schedule K-3) Shareholder's Share of Income, Deductions, Credits, etc. - International 2025 01/12/2026
Form 1120-S (Schedule K-2) Shareholders' Pro Rata Share Items-International 2025 01/09/2026
Form 1120-C U.S. Income Tax Return for Cooperative Associations 2025 01/09/2026
Instruction 1120-ND Instructions for Form 1120-ND, Return for Nuclear Decommissioning Funds and Certain Related Persons Dec 2025 01/09/2026
Form 5471 Information Return of U.S. Persons With Respect to Certain Foreign Corporations Dec 2025 01/09/2026