On 16 February 1993, the Governor, Sir Francis Burt, designated 17 principal executive offices of the Government under section 43(2) of the Constitution Acts Amendment Act 1899.

On 25 February 1988, the Governor, Gordon Reid, designated 17 principal executive offices of the Government under section 43(2) of the Constitution Acts Amendment Act 1899.

He designated 17 principal executive offices of the Government and appointed the following ministers to the positions, who served until the Lawrence Ministry was established on 19 February 1990.

He designated 10 principal executive offices of the Government and appointed the following ministers to their positions, who served until the end of the Ministry.

He designated 12 principal executive offices of the Government and appointed the following ministers to their positions, who served until a reshuffle on 30 May 1973.

The Governor, Ken Michael, designated 17 principal executive offices of the Government under section 43(2) of the Constitution Acts Amendment Act 1899.

He designated 17 principal executive offices of the Government and appointed the following ministers to their positions, and served until the reconstitution of the Ministry on 5 February 1991.

He designated 16 principal executive offices of the Government and appointed the ministers to their positions.

He designated 15 principal executive offices of the Government and appointed the following ministers to the positions, who served until the Dowding Ministry was established on 26 February 1988.

He designated eight principal executive offices of the Government and appointed the following ministers to their positions, who served until the Ministry was reformed on 6 April 1950 after the 1950 election.