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March 2021 Business Due Dates
March 1 - Payers of Gambling Winnings
File Form 1096, Annual Summary and Transmittal of U.S. Information Returns, along with Copy A of all the Forms W-2G you issued for 2020. If you file Forms W-2G electronically, your due date for filing them with the IRS will be extended to March 31. The due date for giving the recipient these forms was February 1.
March 1 - Information Returns Filing Due
File government copies of information returns (Form 1099) and transmittal Forms 1096 for certain payments you made during 2020, other than the 1099-NECs that were due February 1. There are different 1099 forms for different types of payments.
File your 2020 income tax return (Form 1040 or 1040-SR) and pay any tax due. However, you have until April 15 to file if you paid your 2020 estimated tax by January 15, 2021.
March 1 - Applicable Large Employer (ALE) - Form 1095-C
If you’re an Applicable Large Employer, file 1094-C, Transmittal of Employer-Provided Health Insurance Offer and Coverage Information Returns, and 1095-C with the IRS. For all other providers of minimum essential coverage, file paper Forms 1094-B, Transmittal of Health Coverage Information Returns, and 1095-B with the IRS. If you’re filing any of these forms with the IRS electronically, your due date for filing them will be extended to March 31. See the Instructions for Forms 1094-B and 1095-B and the Instructions for Forms 1094-C and 1095-C for more information about the information reporting requirements.
March 1 - Large Food and Beverage Establishment Employers
File Form 8027, Employer’s Annual Information Return of Tip Income and Allocated Tips. Use Form 8027-T, Transmittal of Employer’s Annual Information Return of Tip Income and Allocated Tips, to summarize and transmit Forms 8027 if you have more than one establishment. If you file Forms 8027 electronically, your due date for filing them with the IRS will be extended to March 31.
March 2 - Applicable Large Employers (ALE) & Self-Insuring Employers
Provide employees with annual information statement of health insurance coverage, Form 1095-C, Employer-Provided Health Insurance Offer and Coverage. This date reflects an extension from the statutory due date of January 31 provided by the IRS (Notice 2020-76). This extended due date also applies to insurers who are required to provide Form 1095-B, Health Coverage, to individuals. The government’s copies of these forms were due March 1 (or March 31 if filed electronically).
File a 2020 calendar year return (Form 1065). Provide each partner with a copy of their Schedule K-1 (Form 1065), Partner’s Share of Income, Deductions, Credits, etc., or a substitute Schedule K-1. If you want an automatic 6-month extension of time to file the return and provide Schedules K-1 or substitute Schedules K-1 to the partners, file Form 7004. Then, file Form 1065 and provide the K-1s to the partners by September 15.
March 15 - S-Corporations
File a 2020 calendar year income tax return (Form 1120-S) and pay any tax due. Provide each shareholder with a copy of Schedule K-1 (Form 1120-S), Shareholder’s Share of Income, Deductions, Credits, etc., or a substitute Schedule K-1 (Form 1120-S). To request an automatic 6-month extension of time to file the return, file Form 7004 and pay the tax estimated to be owed. Then file the return; pay any tax, interest, and penalties due; and provide each shareholder with a copy of their Schedule K-1 (Form 1120-S) by September 15.
March 15 - S-Corporation ElectionFile Form 2553, Election by a Small Business Corporation, to choose to be treated as an S corporation beginning with calendar year 2021. If Form 2553 is filed late, S treatment will begin with calendar year 2022.
March 15 - Social Security, Medicare and Withheld Income Tax
If the monthly deposit rule applies, deposit the tax for payments in February.
March 15 - Non-Payroll Withholding
If the monthly deposit rule applies, deposit the tax for payments in February.
March 31 - Electronic Filing of Forms 1098, 1099 and W-2G
If you file Forms 1098, 1099 (other than 1099-NEC), or W-2G electronically with the IRS, this is the final due date. This due date applies only if you file electronically (not paper forms). Otherwise, February 1 or March 1 was the due date, depending on the form filed. The due date for giving the recipient these forms was February 1.
March 31 - Applicable Large Employers (ALE) – Form 1095-C
If filing electronically, file Form 1095-C, Employer-Provided Health Insurance Offer and Coverage, with the IRS. If filing on paper the due date was March 1, 2021.
March 31 - Large Food and Beverage Establishment Employers
If you file Forms 8027 for 2020 electronically with the IRS, this is the final due date. This due date applies only if you file electronically. Otherwise, March 1, 2021 was the due date.
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