Resource Center
Find all tax form resources in one place — including form instructions,
and due dates — to help you stay informed and compliant.

Business Tax Forms
1120-S, 1065,
Guide for S Corporations
1120-S
Form 1120-S Instructions
Form 100S Instructions
Form 1120-S Due Dates
Form 1120-S Mailing Address
Schedule K-1 (Form 1120-S)
Schedule D (Form 1120-S)
Schedule B (Form 1120-S)
Schedule M-3 (Form 1120-S)
Schedule K (Form 1120-S)
Schedule L (Form 1120‑S)
IRS Schedule M‑1
IRS Schedule M‑2
Schedule K vs Schedule K-1
Form 1120-S vs. Form 1120
Form 1120-S Separated Stated Income Items
Separately vs Nonseparately Stated Items
Form 1120-S Stock and Debt Basis
Guide for Partnership
1065
Related Forms & Resources

Employment Tax Forms
941, 941-X, 941 Schedule R, 940, 943, 943-X, 944, 945, 945-X, 94X PIN Request
Getting Started with Form 941
(Quarterly Form)
Form 941 Schedules
& Amendments
Penalties & Compliance
Form Comparison & Tax Concepts
Other Employment Tax Forms
(Annual Forms)
Form 940 (FUTA Tax)
Form 943 (Agricultural Employers)
Form 944 (Employer Tax Return)
Form 945 (Withheld Federal Income Tax)

Exempt Org. Forms
990-N, 990-EZ, 990, 990-PF, 990-T, 5227, CA 199, 1120-POL, CA 109,
Getting Started with Form 990
Deadlines & Mailing
Compliance
Form Comparisons
Form 5227 Schedules
(Auto-Generated when you file with us)
CA FTB Form 109
(Instructions, Schedules & Related Forms)
Form 990, 990-EZ, or 990-PF Schedules
(Auto-Generated when you file with us)
Form 990-T Schedules
(Auto-Generated when you file with us)

Information Returns
W-2, 1099, W-2G, 1097, 5498, 3921, 3922, 1098, and 1095 Forms
Form W-2 Series
(Wage and Tax Statements)
Form W-2G
(Certain Gambling Winnings)
1099 Series
(Information Returns)
1099 Due Dates
Investment & Retirement-Related 1099s
Digital Assets
Debt, Property, and Other Distributions
1098 Series
(Mortgage and Tuition Statements)
5498 Series
(IRA & Savings Contributions)
ACA Forms
(Affordable Care Act Reporting)

Excise Tax Forms
2290, 8849, 2290 Amendments
Getting Started with Form 2290
Payment Options & Mobile App
Penalties, Credits & Amendments

Extension Forms
7004, 4868, 8868, 8809
Business Tax Extension
Form 7004
Individual Tax Extension
Form 4868
Tax-Exempt Organization Extension
Form 8868
Information Return Extension
Form 8809

Essential Forms
W-9, W-8BEN, 8655, and BOI Report
