2021 Tax Calendar

Bloomberg Tax is a comprehensive tax research solution covering U.S. federal, state and international topics. Leverage knowledge from 1,000+ leading global tax practitioners, in-depth news, extensive primary source material and time-saving practitioner-developed tools.

Stay up to date on key 2021 IRS form filing dates

This 2021 tax calendar is a reference document of dates included in the IRS Tax Calendar for Businesses and Self-Employed Individuals. View specific due dates by month for filing tax forms, paying taxes, and other actions required by federal tax law. Bookmark this website to track key 2021 tax deadlines and avoid penalties as well as late fees.

Important 2021 Tax Dates

February 1: Employer – Form W-2; Payors – Form 1099-NEC

March 1: Payors – Form 1099-MISC

March 15: Partnerships, LLCs – Form 1065; S Corporations – Form 1120S

April 12: Form 1040/1040-SR, Form 730 (Jan 2021)

April 15: Corporations – Form 1120; Estates and Trusts – Form 1041; FBAR – FinCen Form 114

May 17: Individuals – Form 1040

May 17: Exempt Organizations – Forms 990

August 2: Employee Benefit Plans – Forms 5500


February 1 – Form 1040/1040-SR

February 1 – Forms 1097, 1098, 1099-MISC, 3921, 3922, W-2G, Form 8300 (to recipients), Form 8809

February 1 – Form 1099-NEC (to recipients)

February 1 – Form W-2 (to employees), Form W-3 (to IRS)

February 1 – File 2020 Forms 940 , 941 (2020 Q4), 943, 944, 945

February 1 Form 720 (2020 Q4), Form 730 (Dec. 2020), Form 2290 (Dec. 2020)

February 10 – Form 1040 (Jan. 2021)

February 10 – File 2020 Forms 940, 941 (2020 Q4), 943, 944, 945

February 16 – Form W-4

February 16 – Forms 1099-B, 1099-S, 1099-MISC (attorneys)

Give your expertise an edge

A research platform with everything you need – all in one place.

Relevant Tax Management Portfolios

Portfolio 6920

Transfer Pricing: Advance Pricing Agreements

Tax Management Portfolio, Transfer Pricing: Advance Pricing Agreements, No. 6920, discusses the factors to consider in deciding whether to seek an advance pricing agreement (APA), and details the considerations to take into account and the steps to take at each stage of the APA process.

Portfolio 6924

Transfer Pricing: Audits, Appeals, and Penalties

This Portfolio analyzes transfer pricing recordkeeping requirements; audits, appeals, and penalties; document requests and summonses; and Competent Authority consideration in transfer pricing cases.

Portfolio 6904

Transfer Pricing: Cost-Sharing Arrangements (CSA)

This Portfolio, Cost-Sharing Arrangements, describes the considerations in deciding whether affiliated parties that are developing intangible property should use a cost-sharing arrangement (CSA) to share the costs of development and allocate ownership of such property.

Related Subscriber Resources

Access to this information requires a subscription to Bloomberg Tax & Accounting. Don’t have access? Request a demo.

What do you get with Bloomberg Tax?

  • 500+ Tax Management Portfolios written by expert tax practitioners
  • Daily breaking news on all federal tax developments
  • In-depth analysis from 1,000+ global tax experts
  • Compilation of primary sources in one place
  • Tools that shorten research time

Stay up to date, save time, and ensure tax compliance