IRS Tax Forms & Resources

Quick access to essential IRS forms for law firms and attorneys

We’ve compiled the most commonly needed IRS tax forms and resources for law firms, solo practitioners, and legal professionals. All links go directly to the official IRS website for the most current versions.

Business Tax Forms

Partnership & LLC Returns

Form 1065 – U.S. Return of Partnership Income
Schedule K-1 (Form 1065) – Partner’s Share of Income, Deductions, Credits, etc.
Schedule M-3 (Form 1065) – Net Income (Loss) Reconciliation

S Corporation Returns

Form 1120-S – U.S. Income Tax Return for an S Corporation
Schedule K-1 (Form 1120-S) – Shareholder’s Share of Income, Deductions, Credits, etc.
Form 2553 – Election by a Small Business Corporation

C Corporation Returns

Form 1120 – U.S. Corporation Income Tax Return
Schedule M-3 (Form 1120) – Net Income (Loss) Reconciliation

Sole Proprietorship

Schedule C (Form 1040) – Profit or Loss From Business
Schedule SE (Form 1040) – Self-Employment Tax

Estimated Tax Payments

Form 1040-ES – Estimated Tax for Individuals
Form 1120-W – Estimated Tax for Corporations

Payroll & Employment Tax Forms

Quarterly Payroll Forms

Form 941 – Employer’s Quarterly Federal Tax Return
Schedule B (Form 941) – Report of Tax Liability for Semiweekly Schedule Depositors
Schedule R (Form 941) – Allocation Schedule for Aggregate Form 941 Filers

Annual Payroll Forms

Form 940 – Employer’s Annual Federal Unemployment (FUTA) Tax Return
Form W-2 – Wage and Tax Statement
Form W-3 – Transmittal of Wage and Tax Statements

Independent Contractor Forms

Form 1099-NEC – Nonemployee Compensation
Form 1099-MISC – Miscellaneous Information
Form 1096 – Annual Summary and Transmittal of U.S. Information Returns

New Employee Forms

Form W-4 – Employee’s Withholding Certificate
Form W-9 – Request for Taxpayer Identification Number
Form I-9 – Employment Eligibility Verification (USCIS)

Business Registration & Application Forms

Starting a New Business

Form SS-4 – Application for Employer Identification Number (EIN)
Online EIN Application – Apply for EIN Online (Fastest Method)

Extensions & Payments

Form 7004 – Application for Automatic Extension of Time to File
Form 4868 – Application for Extension (Individual)
IRS Direct Pay – Make a Tax Payment Online

Power of Attorney & Representation

Form 2848 – Power of Attorney and Declaration of Representative
Form 8821 – Tax Information Authorization

Amended Returns & Corrections

Form 1040-X – Amended U.S. Individual Income Tax Return
Form 1120-X – Amended U.S. Corporation Income Tax Return
Form 941-X – Adjusted Employer’s Quarterly Federal Tax Return

Need Help with Tax Preparation or Compliance?

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Contact us today to discuss your tax and accounting needs.

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Note: All forms and resources link directly to the official IRS website (IRS.gov). We recommend always downloading the most current version of forms. Law Ledgers is not affiliated with the IRS and provides these links as a courtesy to our clients and website visitors.