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Product Number Title Revision Date Posted Date
Instruction 1120-RIC Instructions for Form 1120-RIC, U.S. Income Tax Return For Regulated Investment Companies 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 4626 Instructions for Form 4626, Alternative Minimum Tax - Corporations 2025 02/02/2026
Form 2220 Underpayment of Estimated Tax by Corporations 2025 12/11/2025
Form 1120-S (Schedule K-2) Shareholders' Pro Rata Share Items-International 2025 01/09/2026
Form 1120-S (Schedule K-3) Shareholder's Share of Income, Deductions, Credits, etc. - International 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
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-POL Instructions for Form 1120-POL, U.S. Income Tax Return for Certain Political Organizations 2025 12/15/2025
Instruction 1120-L Instructions for Form 1120-L, U.S. Life Insurance Company Income Tax Return 2025 01/29/2026
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