Except in Boston, members of the police department of every town which accepted chapter two hundred and ten of the acts of nineteen hundred and eleven and did not accept chapter one hundred and sixty-six of the acts of nineteen hundred and twenty shall be excused from duty for one day out of every fifteen without loss of pay.
Mass. Gen. Laws ch. 147, § 15
Days off for police; one day out of fifteen
Official source: Massachusetts Legislature. Reproduced from public-domain Massachusetts statutes; confirm against the official source for the current text. Not legal advice.