Recommended by IRS
About Form 1120-S, U.S. Income Tax Return for an S CorporationInformation about Form 1120-S, U.S. Income Tax Return for an S Corporation, including recent updates, related forms, and instructions on how to file.
Form 1120-S
PDF
PDF version of Form 1120-S.
Instructions for Form 1120-S
PDF
Instructions explaining how to file Form 1120-S.
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Transformation work continues: IRS expands business tax account access to S corporations, partnerships; adds ability to view business tax transcripts
IR-2023-243, Dec. 18, 2023 — As part of continuing transformation work, the Internal Revenue Service today announced the launch of the second phase of a new online self-service tool for businesses that expands the business tax account capabilities and eligible entity types.
News
News Media, Businesses
SOI Tax Stats - Business tax statistics
Find income statistics for sole proprietoships here. This area includes separate sections for farm and nonfarm sole proprietorships. There's historical data and data presented by industry
About IRS
Dallas attorney charged in $1 billion tax shelter scheme
October 27, 2022 — A Dallas attorney who allegedly created tax shelters to help high-net-worth clients conceal more than one billion dollars in income from the IRS has been federally charged, announced U.S. Attorney for the Northern District of Texas Chad E. Meacham.
News
News Media
Taxes Security Together
Information about how the IRS, states and the tax industry came together in 2015 to identify safeguards to protect taxpayer federal and state tax accounts from identity thieves.
General Information
Individuals, Tax Professionals
Late election relief
Rev. Proc. 2013-30 facilitates the grant of relief to certain late-filing entities. The information contained on this page explains the general rules to obtain that relief.
General Information
Small Businesses
Topic no. 803, Electronic filing waivers and exemptions and filing extensions
Topic No. 803 Waivers and Extensions
Tax Topics
FAQs for Indian tribal governments regarding individuals: Filing requirements
Insights into individual tribal members' filing requirements.
General Information
Indian Tribal Governments
1120x TY2023v5.3 release memo
Release Memo for 1120 TY2023 5.3
Software Development
Software Developers
Follow key filing guidelines to speed refunds, avoid errors
IR-2025-36, March 24, 2025 — The Internal Revenue Service issued a series of tips and reminders to speed taxpayer refunds and avoid errors on their federal tax returns as the April 15 filing deadline approaches.
News
News Media