Not later than the 12th day of the month following the month in which a person begins or ceases employment as a law enforcement officer or custodial officer, the Public Safety Commission, the Texas Alcoholic Beverage Commission, the Parks and Wildlife Commission, the office of inspector general at the Texas Juvenile Justice Department, the Board of Pardons and Paroles, or the Texas Board of Criminal Justice, as applicable, shall certify to the retirement system, in the manner prescribed by the system, the name of the employee and such other information as the system determines is necessary for the crediting of service and financing of benefits under this subtitle.