The Government Service Insurance System (Filipino: Paseguruhan ng mga Naglilingkod sa Pamahalaan, abbreviated as GSIS) is a government-owned and controlled corporation (GOCC) of the Philippines. Created by Commonwealth Act No. 186 and Republic Act No. 8291 (GSIS Act of 1997), GSIS is a social insurance institution that provides a defined benefit scheme under the law. It insures its members against the occurrence of certain contingencies in exchange for their monthly premium contributions.