ARM 2.43.1310. APPLICATION OF ACTUARIAL ASSUMPTIONS FOR DETERMINING GABA

(1) For purposes of determining the PERS GABA rates referenced in 19-3-1605(5), MCA, the actuary will: (a) reduce the 1.5% GABA rate established in 19-3-1605(4), MCA by 0.1% for each full 2 percentage points the funded percentage is below 90%; (b) establish a GABA rate expressed in tenths of a percent. (2) This rule will not apply until the PERS amortization period is under 40 years. (3) Once the PERS amortization period is under 40 years, the actuary will adjust the 1.5% GABA each year, based on that year's funding percentage.