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Product Number Title Revision Date Posted Date
Instruction SS-4 Instructions for Form SS-4, Application for Employer Identification Number Dec 2025 12/23/2025
Instruction SS-4 (PR) Instructions for Form SS-4 (PR), Application for Employer Identification Number (Puerto Rico Version) Mar 2020 02/24/2020
Instruction CT-1X Instructions for Form CT-1X, Adjusted Employer's Annual Railroad Retirement Tax Return or Claim for Refund Apr 2025 04/16/2025
Instruction CT-1 Instructions for Form CT-1, Employer's Annual Railroad Retirement Tax Return 2025 01/14/2026
Instruction 990 Instructions for Form 990, Return of Organization Exempt From Income Tax 2025 12/12/2025
Instruction 990-T Instructions for Form 990-T, Exempt Organization Business Income Tax Return 2025 02/04/2026
Instruction 990-PF Instructions for Form 990-PF, Return of Private Foundation or Section 4947(a)(1) Trust Treated as Private Foundation 2025 01/15/2026
Instruction 990-EZ Instructions for Form 990-EZ, Short Form Return of Organization Exempt From Income Tax 2025 01/15/2026
Instruction 990-BL Instructions for Form 990-BL, Information and Initial Excise Tax Return for Black Lung Benefit Trusts and Certain Related Persons Jan 2020 01/29/2020
Instruction 982 Instructions for Form 982, Reduction of Tax Attributes Due to Discharge of Indebtedness (and Section 1082 Basis Adjustment) Dec 2021 12/27/2021
Instruction 965-E Instructions for Form 965-E, Consent Agreement Under Section 965(i)(4)(D) Dec 2019 01/27/2020
Instruction 965-D Instructions for Form 965-D, Transfer Agreement Under Section 965(i)(2) Dec 2019 01/27/2020
Instruction 965-C Instructions for Form 965-C, Transfer Agreement Under Section 965(h)(3) Dec 2019 01/28/2020
Instruction 965-B Instructions for Form 965-B, Corporate and Real Estate Investment Trust (REIT) Report of Net 965 Tax Liability and Electing REIT Report of 965 Amounts Jan 2021 12/29/2020
Instruction 965-A Instructions for Form 965-A, Individual Report of Net 965 Tax Liability Jan 2021 12/29/2020
Instruction 9465 Instructions for Form 9465, Installment Agreement Request Jul 2024 06/24/2024
Instruction 9465 (sp) Instructions for Form 9465 (sp), Installment Agreement Request (Spanish Version) Jul 2024 06/25/2024
Instruction 9465 (zh-t) Instructions for Form 9465 (Chinese-Traditional Version) Oct 2020 06/22/2023
Instruction 9465 (zh-s) Instructions for Form 9465 (Chinese-Simplified Version) Oct 2020 06/22/2023
Instruction 945 Instructions for Form 945, Annual Return of Withheld Federal Income Tax 2025 10/15/2025
Instruction 945-X Instructions for Form 945-X, Adjusted Annual Return of Withheld Federal Income Tax or Claim for Refund Feb 2025 02/28/2025
Instruction 945-A Instructions for Form 945-A Dec 2025 12/04/2025
Instruction 944 (sp) Instructions for Form 944, Employer's ANNUAL Federal Tax Return (Spanish Version) 2025 12/16/2025
Instruction 944 Instructions for Form 944, Employer's Annual Federal Tax Return 2025 11/24/2025
Instruction 944-X (sp) Instructions for Form 944-X, Adjusted Employer's ANNUAL Federal Tax Return or Claim for Refund (Spanish Version) Feb 2026 03/12/2026