320. (1) Part II of this Act shall come into force on such date as His Majesty may appoint by the Proclamation establishing the Federation and the date so appointed is the date referred to in this Act as the date of the establishment of the Federation.
(2) The remainder of this Act shall, subject to any express provision to the contrary, come into force on such date as His Majesty in Council may appoint and the said date is the date referred to in this Act as the commencement of Part III of this Act.
(3) If it appears to His Majesty in Council that it will not be practicable or convenient that all the provisions of this Act which are under the foregoing provisions of this section to come into force on a date therein mentioned should come into operation simultaneously on that date, His Majesty in Council may, notwithstanding anything in this section, fix an earlier or a later date for the coming into operation, either generally or for particular purposes, of any particular provisions of this Act.