Important Tax Due Dates
Understanding tax deadlines helps avoid penalties and unnecessary stress. Below are common federal tax due dates for individuals, businesses, farms, and payroll.
January
January 31
W-2s to employees, 1099-NEC to contractors, payroll reporting.
March
March 15
Partnership & S-Corporation returns due or extension filed.
April
April 15
Individual returns due and first estimated tax payment.
June
June 15
Second quarter estimated tax payment.
September
September 15
Third estimated payment and extended business returns.
October
October 15
Extended individual tax returns due.
South Dakota Note
South Dakota does not have a state income tax. Federal deadlines still
apply, and businesses may have payroll or reporting obligations.