For the purpose of aiding the Secretary of State in carrying into effect the provisions of this Act relating to prisons in Scotland, Her Majesty may, on the recommendation of the Secretary of State, at any time after the passing of this Act by warrant under Her Sign Manual appoint any number of persons no exceeding three to be Commissioners during Her Majesty's pleasure, and may, on the recommendation of the Secretary of State, on the occasion of any vacancy in the office of any Commissioner by death, resignation, or otherwise,

by the like warrant appoint some other fit person to fill such vacancy. For the like purpose the Sheriff of the county of Perth and the Crown Agent for Scotland for the time being shall be Commissioners ex officio. The Commissioners shall be a body corporate, with power to hold land so far as may be necessary for the purposes of this Act, and shall be styled " The Prison Commissioners for Scotland."

The Secretary of State may from time to time appoint one of the Commissioners to be chairman.

Any act or thing required or authorised to be done by the Prison Commissioners may be done by any one or more of them as the Secretary of State may by general or special rule direct.