(1)The Manager shall keep a register in Form No. 18 hereinafter called the "Leave with Wages Register" :Provided that if the Chief Inspector is of the opinion that any muster roll or register maintained as part of the routine of the factory, or return made by the Manager; gives in respect of any or all of the workers in the factory, the particulars required for the enforcement of the Chapter VIII of the Act, he may, by order in writing, direct that such muster roll or register or return shall, to the corresponding extent, be maintained in place of and be treated as the register or return required under this rule in respect or that factory.