6.—The Principal Act is hereby amended by the repeal of section 4 thereof and the insertion therein of the following section in lieu of the section so repealed, that is to say:—
“4. The local authority may fix the number of infants under the age of nine years which may be kept in any dwelling in respect of which a notice has been received under this Part of this Act and may impose such (if any) conditions as they may think proper in regard to the keeping of all or any of such infants in such dwelling, and any person who keeps in such dwelling any infant in excess of the number so fixed or contravenes or fails to comply with any condition so imposed shall be guilty of an offence under this Part of this Act.”
