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IRS tax forms library
Direct links to the official IRS pages for the forms individuals and businesses need most — always the current version, straight from the source.
For Individuals
| Form | What it’s for | Official link |
|---|---|---|
| Form 1040 | U.S. Individual Income Tax Return — the standard federal return. | IRS page |
| Form 1040-ES | Estimated Tax for Individuals — quarterly payment vouchers and worksheet. | IRS page |
| Form W-4 | Employee’s Withholding Certificate — controls paycheck withholding. | IRS page |
| Form W-9 | Request for Taxpayer Identification Number — for contractors and vendors. | IRS page |
| Form 4868 | Automatic six-month extension of time to file an individual return. | IRS page |
| Schedule C | Profit or Loss From Business — for sole proprietors and single-member LLCs. | IRS page |
| Schedule SE | Self-Employment Tax — calculates Social Security and Medicare on self-employment income. | IRS page |
| Form 8822 | Change of Address — tell the IRS you’ve moved. | IRS page |
For Businesses
| Form | What it’s for | Official link |
|---|---|---|
| Form 1120 | U.S. Corporation Income Tax Return — for C corporations. | IRS page |
| Form 1120-S | Income tax return for S corporations. | IRS page |
| Form 1065 | U.S. Return of Partnership Income — for partnerships and multi-member LLCs. | IRS page |
| Form 941 | Employer’s Quarterly Federal Tax Return — payroll withholding and FICA. | IRS page |
| Form 940 | Employer’s Annual Federal Unemployment (FUTA) Tax Return. | IRS page |
| Form W-2 | Wage and Tax Statement — issued to each employee every January. | IRS page |
| Form 1099-NEC | Nonemployee Compensation — issued to contractors paid $600 or more. | IRS page |
| Form SS-4 | Application for an Employer Identification Number (EIN). | IRS page |
| Form 2553 | Election by a Small Business Corporation — how an LLC or corporation elects S status. | IRS page |
Notices, Payments & Representation
| Form | What it’s for | Official link |
|---|---|---|
| Form 9465 | Installment Agreement Request — set up an IRS payment plan. | IRS page |
| Form 656 | Offer in Compromise — settle tax debt for less than the full amount when eligible. | IRS page |
| Form 4506-T | Request for Transcript of Tax Return — free transcripts of prior filings. | IRS page |
| Form 2848 | Power of Attorney — authorizes a professional to represent you before the IRS. | IRS page |
| Form 8821 | Tax Information Authorization — lets a professional receive your IRS information. | IRS page |
| Form 843 | Claim for Refund and Request for Abatement — including penalty relief requests. | IRS page |
Not sure which form you need? That’s literally our job. Ask us before you file the wrong thing — unwinding a mistaken filing takes far longer than a five-minute question.
Forms are easy. Strategy is the hard part.
Any form can be downloaded. Knowing what to put on it — and what it means for next year — is where we come in.