Colorado Revised Statutes Title 24. Government State § 24-51-507. Uniformed service credit

(a) Such member had membership in the association at the time the uniformed service began;

(b) Such member was discharged from uniformed service and returned from the leave of absence for uniformed service to membership;

(c) The period of uniformed service is verified and is not already covered by association service credit upon return from uniformed service to membership; and

(d) All service credit forfeited by a refund pursuant to the provisions of section 24-51-405 is purchased.