Sec. 3. Returns required to be made pursuant to section 1 of this chapter shall be filed with the department on or before the later of the following:
(1) The 15th day of the fourth month following the close of the taxable year.
(2) For a corporation whose federal tax return is due on or after the date set forth in subdivision (1), as determined without regard to any extensions, weekends, or holidays, the 15th day of the month following the due date of the federal tax return.
However, if the due date for a federal income tax return is extended by the Internal Revenue Service to a date that is later than the date specified in subdivision (1) or (2) (as applicable), the department may extend the due date of a return required to be made under section 1 of this chapter to the due date permitted for the federal income tax return.
Formerly: Acts 1963(ss), c.32, s.403. As amended by Acts 1980, P.L.61, SEC.4; P.L.172-2011, SEC.58; P.L.212-2018(ss), SEC.23.