1984: Universal House of Justice announces “a term of five years' service” for Auxiliary Board members starting in November of 1986

To develop further this vital organ of the Administrative Order, it has been decided to establish a term of five years' service for those appointed to the Auxiliary Boards, commencing 26 November 1986. 

- The Universal House of Justice  (Ridvan 1984 message; ‘Messages from the Universal House of Justice 1963-1986’)