Colorado Revised Statutes Title 31. Government Municipal § 31-30-1125. Supplemental retirement pension

(1) In addition to the monthly retirement pension provided by section 31-30-1122, the board of a municipality, with the prior consent of the municipality's governing body, or the board of a fire protection district or county improvement district may pay a supplemental monthly retirement pension to a volunteer firefighter who is fifty years of age and who has been in active service more than twenty years if:

(2) The supplemental monthly pension payment shall not exceed five percent of the monthly pension payment provided by section 31-30-1122 multiplied by the number of years of active service in excess of twenty years, up to a maximum of ten years; except that the total of the monthly retirement pension payment provided by section 31-30-1122 and the supplemental monthly pension payment shall not exceed an amount that is actuarially sound.