The Assam Reorganisation (Meghalaya) Act, 1969
9. Conduct of business.-
(1) All executive actions of the Government of Meghalaya shall be expressed to be taken in the name of the Governor.
(2) Orders and other instruments made and executed in the name of the Governor shall be authenticated in such manner as may be specified in rules to be made by the Governor, and the validity of an order or instrument which is so authenticated shall not be called in question on the ground that it is not an order or instrument made or executed by the Governor.
(3) The Governor shall make rules for the more convenient transaction of the business of the Government of Meghalaya and for the allocation among Ministers of the said business.