Business 1065 Edition

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Partnerships

March 15

Electing large partnerships. Provide each partner with a copy of Schedule K-1 (Form 1065-B), Partner's Share of Income (Loss) From an Electing Large Partnership, or a substitute Schedule K-1. This due date applies even if the partnership requests an extension of time to file the Form 1065-B by filing Form 7004.

File a 2018 calendar year return (Form 1065). Provide each partner with a copy of Schedule K-1 (Form 1065), Partner's Share of Income, Deductions, Credits, etc., or a substitute Schedule K-1. If you want an automatic 5-month extension of time to file the return and provide Schedule K-1 or a substitute Schedule K-1, file Form 7004. Then, file Form 1065 by September 15.

Electing large partnerships. File a 2018 calendar year return (Form 1065-B). If you want an automatic 6-month extension of time to file the return, file Form 7004. Then, file Form 1065-B by September 15. See March 15 for the due date for furnishing Schedules K-1 or substitute Schedules K-1 to the partners.

September 15

File a 2018 calendar year return (Form 1065). This due date applies only if you were given an additional 5-month extension. Otherwise see March 15. Provide each partner with a copy of Schedule K-1 (Form 1065) or a substitute Schedule K-1.

October 15

Electing large partnerships. File a 2018 calendar year return (Form 1065-B). This due date applies only if you were given an additional 6-month extension. See March 15 for the due date for furnishing Schedules K-1 or substitute Schedules K-1 to the partners.

If you operate on a fiscal year, see tax calendar information for Fiscal-Year Taxpayers.

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Upcoming Tax Dates

December 11 — Employees who work for tips
If you received $20 or more in tips during November, report them to your employer Details

December 15 — Corporations
Deposit the fourth installment of estimated income tax for 2018 Details

December 15 — Social security, Medicare, and withheld income tax
If the monthly deposit rule applies, deposit the tax for payments in November.

December 25 — Everyone
Federal Holiday (Christmas Day) Details

View More Tax Dates