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產品編號 標題 修訂日期 發表日期
Instruction 8979 Instructions for Form 8979, Partnership Representative Designation or Resignation Form Sep 2025 10/06/2025
Instruction 8985 Instructions for Form 8985 and Form 8985-V, Pass-Through Statement - Transmittal/Partnership Adjustment Tracking Report (Required Under Sections 6226 and 6227) Dec 2024 01/07/2025
Instruction 8986 Instructions for Form 8986, Partner's Share of Adjustment(s) to Partnership-Related Item(s) (Required Under Sections 6226 and 6227) Dec 2024 01/07/2025
Instruction 8990 Instructions for Form 8990, Limitation on Business Interest Expense Under Section 163(j). Dec 2025 01/21/2026
Instruction 8991 Instructions for Form 8991 Tax on Base Erosion Payments of Taxpayers with Substantial Gross Receipts Dec 2025 01/16/2026
Instruction 8992 Instructions for Form 8992, U.S. Shareholder Calculation of Global Intangible Low-Taxed Income (GILTI) Dec 2024 01/15/2025
Instruction 8993 Instructions for Form 8993, Section 250 Deduction for Foreign-Derived Intangible Income (FDII) and Global Intangible Low-Taxed Income (GILTI) Dec 2025 01/08/2026
Instruction 8994 Instructions for Form 8994, Employer Credit for Paid Family and Medical Leave Dec 2024 12/19/2024
Instruction 8995 Instructions for Form 8995, Qualified Business Income Deduction Simplified Computation. 2025 01/27/2026
Instruction 8995-A Instructions for Form 8995-A,Qualified Business Income Deduction. 2025 01/27/2026
Instruction 8996 Instructions for Form 8996, Qualified Opportunity Fund Dec 2024 01/30/2025
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-s) Instructions for Form 9465 (Chinese-Simplified Version) Oct 2020 06/22/2023
Instruction 9465 (zh-t) Instructions for Form 9465 (Chinese-Traditional Version) Oct 2020 06/22/2023
Instruction CT-1 Instructions for Form CT-1, Employer's Annual Railroad Retirement Tax Return 2025 01/14/2026
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 Instructions for Form 8612, Return of Excise Tax on Undistributed Income of Real Estate Investment Trus Instructions for Form 8612 Dec 2025 01/26/2026
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 SS-4 (sp) Instructions for Form SS-4, Application for Employer Identification Number in Spanish (Spanish Version) Dec 2025 01/12/2026
Instruction SS-8 Instructions for Form SS-8, Determination of Worker Status for Purposes of Federal Employment Taxes and Income Tax Withholding Jan 2024 12/20/2023
Instruction SS-8 (PR) Instructions for Form SS-8, Determination of Worker Status for Purposes of Federal Employment Taxes and Income Tax Withholding (Puerto Rico Version) Dec 2014 12/24/2014
Instruction SS-8 (sp) Instructions for Form SS-8 (sp), Determination of Worker Status for Purposes of Federal Employment Taxes and Income Tax Withholding (Spanish Version) Jan 2024 01/04/2024
Instruction T (Timber) Instructions for Form T (Timber), Forest Activities Schedule Dec 2013 10/02/2013