4. The Governor in Council may by Order to be published in the Gazette direct that this Law shall be applied to hotels, lodging houses or public buildings situated within the limits of any municipal corporation, and from and after the date of the publication of such Order, or such date as may be named in that behalf in the Order, this Law shall be in full force and effect in respect of hotels, lodging houses or public buildings situated within the limits of the municipal corporation to which such Order refers:
Provided that and notwithstanding anything in any other Law contained-
(a) the Municipal Council exercising authority within the limits of the municipal corporation to which such Order refers may make bye-laws for all or any of the matters specified in section 3;
(b) any bye-laws made by any Municipal Council under paragraph (a) of this proviso shall be subject to the approval of the Governor, and shall not come into force until they have been approved by the Governor and published in the Gazette;
(c) if at any time it shall appear to the Governor that for all or any of the matters specified in section 3 there are no bye-laws for the time being in force for hotels, lodging houses or public buildings within the limits of a municipal corporation to which this Law has been made applicable by Order as aforesaid, the Governor may by notice require the Municipal Council concerned to make and submit to him such bye-laws; and if the Municipal Council makes default in making bye-laws accordingly and obtaining approval thereof within the time limited by the notice, the Governor may make bye-laws, and such bye-laws shall on being published in the Gazette have the same force and effect as if they had been made by the Municipal Council and approved by the Governor.