(b)during the supersession of the Board, all powers and duties conferred and imposed upon the Board by or under this Act or otherwise by law shall be exercised and performed by the [officer Commanding the station] [Substituted by Act 7 of 1925, s.14, for "Commanding Officer of the Cantonment"] subject to such reservation, if any, as the [Central Government] [ Substituted by the A.O. 1937, for "L.G."] may prescribe in this behalf; and