107. (1) If any provision of a Provincial law is repugnant to any provision of a Federal law which the Federal Legislature is competent to enact or to any provision of an existing Indian law with respect to one of the matters enumerated in the Concurrent Legislative List, then, subject to the provisions- of this section, the Federal law, whether passed before or after the Provincial law, or, as the case may be, the existing Indian law, shall prevail and the Provincial law shall, to the extent of the repugnancy, be void.
(2) Where a Provincial law with respect to one of the matters enumerated in the Concurrent Legislative List contains any provision repugnant to the provisions of an earlier Federal law or an existing Indian law with respect to that matter, then, if the Provincial law, having been reserved for the consideration of the Governor-General or for the signification of His Majesty’s pleasure, has received the assent of the Governor-General or of His Majesty, the Provincial law shall in that Province prevail, but nevertheless the Federal Legislature may at any time enact further legislation with respect to the same matter :Provided that no Bill or amendment for making any provision repugnant to any Provincial law, which, having been so reserved, has received the assent of the Governor-General or of His Majesty, shall be introduced or moved in either Chamber of the Federal Legislature without the previous sanction of the Governor-General in his discretion.
(3) If any provision of a law of a Federated State is repugnant to a Federal law which extends to that State, the Federal law, whether passed before or after the law of the State, shall prevail and the law of the State shall, to the extent of the repugnancy, be void.