C.R.S. § 31-31.5-310: Service credit purchases.

Members participating in the lifetime benefit components may purchase, including by rollover or transfer of funds, additional defined benefit service credit for other public employment within the United States not covered by the plan, United States uniformed military service, or up to five years of private employment, subject to the limits established by the federal "Internal Revenue Code of 1986", as amended, and as may be allowed under the rules and regulations adopted by the board.