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Tax deadline calendar
January 15, 2027
Fourth-quarter 2026 estimated tax payment due
Individuals and businesses that make estimated payments.
February 1, 2027
W-2 and 1099-NEC deadline
Employers send W-2s to employees and file with the government. Businesses send 1099-NEC to contractors and file with the IRS.
March 15, 2027
Partnership and S corporation returns due
Forms 1065 and 1120-S for calendar-year businesses, or file an extension.
April 15, 2027
Individual and C corporation returns due
Forms 1040 and 1120, or file an extension. First-quarter 2027 estimated payment also due. An extension to file is not an extension to pay.
June 15, 2027
Second-quarter 2027 estimated tax payment due
Individuals and businesses that make estimated payments.
September 15, 2027
Extended partnership and S corporation returns due
Also the third-quarter 2027 estimated payment deadline.
October 15, 2027
Extended individual and C corporation returns due
Last day to file a 2026 Form 1040 or calendar-year Form 1120 on extension.
Deadlines that fall on a weekend or holiday move to the next business day, and the IRS sometimes extends deadlines for disaster areas. Confirm current dates at IRS.gov or ask us.
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