Be it enacted by the Senate and House of Representatives in General Court assembled, and by the authority of the same, as follows:
SECTION 1. Section 1 of chapter 3 of the acts of 1947 is hereby amended by striking out the words "and the officer directly below him in rank shall be known as the deputy chief of police".
SECTION 2. Section 2 of said chapter 3 is hereby amended by striking out the words "and whenever in any such general or special law the words 'assistant marshall' appear, such words shall mean 'deputy chief of police'".