2021 Tax Calendar

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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

Sending...

March 1 – Forms 1097, 1098, 1099-MISC, 3921, 3922, W-2G (to IRS)


March 1 – Form 1040/1040-SR


March 1 – Forms 1094-B, 1095-B, 1094-C, 1095-C (to IRS)


March 1 – Forms 8027, 8027-T


March 1 – Form 730 (Jan 2021), Form 2290 (Jan. 2021)


March 2 – Forms 1095-B, 1095-C (to recipients)


March 10 – Form 4070 (Feb. 2021)


March 15 – Form 1042, 1042-S


March 15 – Form 1065, 1120-S, Sched. K-1s (to recipients)


March 15 – Form 2553


March 31 – Forms 1098, 1099-MISC, 3921, 3922, W-2G (e-File)


March 31 – Forms 1094-B, 1095-B, Form 1094-C, 1095-C (e-File)


March 31 – Forms 8027, 8027-T (e-File)


March 31 – Form 730 (Feb. 2021), Form 2290 (Feb. 2021)

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Relevant Tax Management Portfolios

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Interest Expense Deductions

The Portfolio Interest Expense Deductions describes in detail the basic rules relating to the allowance of and limitations on deductions for interest expenses as set forth in §163(a).

Portfolio 598-1st

Investment in Qualified Opportunity Zones

The Portfolio, Investments in Qualified Opportunity Zones, No. 598, provides real-world examples, 230 practice points, and 200+ examples to help you apply the law.

Portfolio 537-1st

Qualified Business Income Deduction: Section 199A

The Portfolio, Qualified Business Income Deduction: Section 199A, No. 537, discusses a new provision of the Internal Revenue Code, §199A, which provides a 20% deduction for qualified business income.

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