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IRS Tax Forms

Tax Forms Library

Quick access to common tax forms, instructions, and due dates. All forms link directly to official IRS sources.

Most Common Tax Forms

The forms you'll use most often as a business owner

Form 1040

U.S. Individual Income Tax Return

The main federal tax form for individuals. Used to report annual income, deductions, credits, and calculate tax owed or refund due.

WHO NEEDS IT
All individuals filing federal taxes
DUE DATE
April 15 (annual)
Download from IRS
Schedule C

Profit or Loss From Business

Report income and expenses from a sole proprietorship or single-member LLC. Used to calculate net profit or loss.

WHO NEEDS IT
Sole proprietors, freelancers, contractors
DUE DATE
April 15 (with 1040)
Download from IRS
Form 1120-S

U.S. Income Tax Return for an S Corporation

Annual tax return for S-Corporations. Reports income, deductions, and credits. Generates Schedule K-1 for shareholders.

WHO NEEDS IT
S-Corporations
DUE DATE
March 15 (annual)
Download from IRS
Form 1065

U.S. Return of Partnership Income

Annual tax return for partnerships and multi-member LLCs. Reports partnership income and generates K-1s for partners.

WHO NEEDS IT
Partnerships, multi-member LLCs
DUE DATE
March 15 (annual)
Download from IRS
Form 941

Employer's Quarterly Federal Tax Return

Report payroll taxes withheld from employee wages and employer's share of Social Security and Medicare taxes.

WHO NEEDS IT
All employers with employees
DUE DATE
Quarterly (Jan 31, Apr 30, Jul 31, Oct 31)
Download from IRS
Form W-2

Wage and Tax Statement

Report wages paid and taxes withheld for employees. Employers must file with SSA and provide copies to employees.

WHO NEEDS IT
All employers with W-2 employees
DUE DATE
January 31 (annual)
Download from IRS
Form 1099-NEC

Nonemployee Compensation

Report payments to independent contractors, freelancers, and other non-employees totaling $600 or more.

WHO NEEDS IT
Businesses paying contractors $600+
DUE DATE
January 31 (annual)
Download from IRS
Form 1099-MISC

Miscellaneous Information

Report various types of miscellaneous income: rents, royalties, prizes, awards, medical payments, and more.

WHO NEEDS IT
Businesses making miscellaneous payments
DUE DATE
February 15 or March 15 (depends on type)
Download from IRS

Key Tax Deadlines 2025

Mark your calendar for these important dates

Jan
January 31
Employer Deadlines
  • W-2 forms to employees and SSA
  • 1099-NEC to contractors and IRS
  • Form 941 (Q4 payroll taxes)
Mar
March 15
Business Returns
  • S-Corporation (Form 1120-S)
  • Partnership (Form 1065)
  • Multi-member LLC returns
Apr
April 15
Individual Returns & Q1
  • Individual income tax (Form 1040)
  • Q1 estimated tax payment
  • Previous year contributions (IRA, HSA)
Q
Quarterly Deadlines
Every 3 Months
  • Estimated tax payments (Apr 15, Jun 15, Sep 15, Jan 15)
  • Form 941 payroll tax returns

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