The appropriate Government may, by notification, direct that all or any of the powers and functions which may be exercised or performed by that Government may, in relation to such matters and subject to such conditions, if any, as may be specified, be also exercisable by the Central Board, the Corporation, the National Social Security Board, the State Unorganised Workers' Board, Building Workers' Welfare Board or any officer or authority subordinate to the Central Board, the Corporation, the National Social Security Board, the State Unorganised Workers' Board, Building Workers' Welfare Board.