(2)In the proviso to section 7, for the words "commencement of this Act, for a period of two months from such date" the following shall be substituted, namely:-"commencement of this Act, or to a lift installed by Government before the commencement of the Bombay Lifts (Amendment) Act, 1955, or installed before this Act is brought into force in that part of the State to which it is extended by the Bombay Lifts (Extension) Act, 1957, for a period of two months from such commencement, or as the case may be, the date it is so brought into force.";