Ind. Code § 6-3-4-15
(a) A trust or estate shall, at the time that it distributes income (except income attributable to interest or dividends) to a nonresident beneficiary, deduct and retain therefrom the amount prescribed in the withholding instructions referred to in section 8 of this chapter. The trust or estate so distributing income to a nonresident beneficiary:
(i) For purposes of this section, a "nonresident beneficiary" is:
(j) If a trust or estate is permitted an extension to file its income tax return under IC 6-8.1-6-1 , then the return and payment due under this subsection shall be allowed the same treatment as the extended income tax return with respect to due dates, interest, and penalties under IC 6-8.1-6-1 .
As added by Acts 1977(ss), P.L.4, SEC.13. Amended by Acts 1979, P.L.68, SEC.6; Acts 1982, P.L.49, SEC.6; P.L.2-1982(ss), SEC.12; P.L.242-2015, SEC.20; P.L.181-2016, SEC.28.