Codifying, reorganizing and clarifying laws applicable to the Minneapolis firefighters relief association relating to creation of the association, the governing board, association funds and accounts, defined benefits including service, disability and surviving spouse and dependent pensions and optional annuities, investment related postretirement adjustments, actuarial valuations, member contribution refunds upon death, payments exempt from process and the voluntary employee benefit association; specifying the effect of the legislation on workers compensation; repealing certain local laws governing the association (ra)