old-age pension payments and the extension of coverage to rural areas, the agency's workload grew substantially. In response, the organization underwent structural specialization and staff expansion.

The national pension system was first implemented in January 1988, covering workplaces with 10 or more full-time employees. This compulsory coverage was extended in January 1992 to include workplaces with five or more full-time employees. In January 1993, the payment of Special Old-age Pension benefits