An Act amending the act of June 5, 1941 (P. L. 84, No. 45), entitled "An act providing for and regulating the appointment, promotion and reduction in rank, suspension and removal of paid members of the police force in boroughs, incorporated towns and townships of the first class maintaining a police force of not less than three members; ***," granting additional powers to the commission relating to the scheduling of applicants' physical examinations.