 At the same time, the newly formed Corporation underwent significant restructuring – program production in indigenous affairs, comedy, social history and current affairs was significantly expanded, while the Corporation's output of drama was boosted.Local production trebled from 1986 to 1991 with the assistance of co-production, co-financing, and pre-sales arrangements.The changes also resulted in the split of television and radio operations into two separate divisions, with an overhaul of management, finance, property and engineering undertaken.