Colorado Public Employees' Retirement Association (PERA) provides retirement and other benefits to the employees of more than 500 government agencies and public entities in the state of Colorado. Established by state law in 1931, PERA operates by authority of the Colorado General Assembly and is administered under Title 24, Article 51 of the Colorado Revised Statutes. In accordance with its duty to administer PERA, the Board of Trustees has the authority to adopt and revise Rules in accordance with state statutes.