Available IRS Tax Forms 2026 to Print 2026 Tax Forms: IRS Federal Forms List, PDFs & Printables IRS tax forms used in 2026 do not all belong to the same tax year. Most individuals filing during the IRS Form 843 Instructions: Refund & Penalty Abatement Guide IRS Form 843, Claim for Refund and Request for Abatement, is used for specific claims involving certain taxes, penalties, interest, I9 Form 2026, Employment Eligibility Verification Form I-9, Employment Eligibility Verification, is used by U.S. employers to document the identity and employment authorization of individuals hired 2026 Form W-4: Official PDF and Instructions Form W-4 for 2026, officially titled Employee’s Withholding Certificate, tells an employer how much federal income tax to withhold from IRS Form 1040-ES 2026: PDF, Due Dates, and Payment Guide 2026 Form 1040-ES, Estimated Tax for Individuals, helps taxpayers calculate and pay federal tax on 2026 income that is not Where to Mail Form 941 With Payment: Current IRS Addresses (2026) Where to Mail Form 941 With Payment - If you are an employer filing a paper Form 941 (Employer’s Quarterly Federal Tax Form 941 Schedule B 2026: Complete Guide for Employers Form 941 Schedule B 2026 is the Report of Tax Liability for Semiweekly Schedule Depositors that certain U.S. employers must attach IRS Form 8821: Instructions, Purpose, and Filing Guide IRS Form 8821, officially titled Tax Information Authorization, allows a taxpayer to authorize another person or organization to inspect or IRS Form 8282: Donee Information Return Guide IRS Form 8282 - Nonprofit organizations and charities that receive significant noncash donations often face an important IRS reporting obligation when IRS Form 1042: Filing Guide, Deadlines & Instructions 2026 IRS Form 1042 - Form 1042 is the Annual Withholding Tax Return for U.S. Source Income of Foreign Persons. Withholding agents 1 2 3 … 28 Next »