EXTENSIONS AND ESTIMATED PAYMENTS

42.15.316 EXTENSIONS AND ESTIMATED PAYMENTS

(1) A taxpayer's tax liability and percent threshold of payment are determined as provided in ARM Title 42, chapter 17, subchapter 3.

(2) If a taxpayer does not meet either of the required payment thresholds as required by 15-30-2604 , MCA, late pay and late filing penalties will be applied as provided in 15-1-216 , MCA.

(3) Underpayment interest, as provided in 15-30-2512 , MCA, accrues to the original due date of the return. Interest from and after the original due date of the return accrues as provided in 15-1-216 , MCA, whether or not the time for filing the return has been extended.

(4) The underpayment is calculated as provided in ARM Title 42, chapter 17, subchapter 3.

(5) A six-month extension of time to file an individual income tax return is automatically allowed a taxpayer if the tax, penalty, and interest are paid when the return is filed.

(6) Taxpayers who are either first time filers, or have a zero or negative taxable income for the previous year, are considered to have paid 100 percent of the previous year's tax for purposes of meeting the threshold requirements in 15-30-2604 , MCA. Authorizing statute(s): 15-30-2620 , MCA Implementing statute(s): 15-1-201 , 15-1-216 , 15-30-2604 , 15-30-2609 , 15-30-2651 , MCA History: NEW, 1992 MAR p. 145, Eff. 1/31/92; AMD, 1995 MAR p. 2507, Eff. 11/23/95; AMD, 2004 MAR p. 3147, Eff. 12/17/04; AMD, 2008 MAR p. 178, Eff. 2/1/08; AMD, 2010 MAR p. 1088, Eff. 4/30/10; AMD, 2013 MAR p. 178, Eff. 2/1/13; AMD, 2016 MAR p. 2073, Eff. 11/11/16; AMD, 2025 MAR, 42-1088, Eff. 1/25/25.