Enter the due date for the sales tax return here.

Quarterly due dates (format = mm-dd-yy) -- All quarterly sales returns are due the 20th day of the month after the end of a filing period. If the due date falls on a weekend or holiday the due date becomes the next business day.

Monthly due dates (format = mm-dd-yy) -- All monthly sales returns are due the 20th day of the month after the end of a filing period. If the due date falls on a weekend or holiday the due date becomes the next business day.

Annual due dates (format = mm-mm-yy)  -- All annual sales returns are due the 20th day of January after the end of a calendar year. If the due date falls on a weekend or holiday the due date becomes the next business day.