Rule 38.6.103 - MODIFICATIONS OF PREVAILING INTEREST RATE(1) The rate stated in the preceding section will be modified, as necessary, to reflect changes in the interest rate for home improvement loans made by lending institutions in Montana. The procedure for modification shall be that prescribed by the Administrative Procedure Act, section 2-4-305, MCA and section 2-4-315, MCA..NEW, 1979 MAR p. 588, Eff. 6/15/79Sec. 15-32-107(3), MCA; IMP, 15-32-107, MCA;