Mass. Gen. Laws ch. 32, § 90: Aged police officers not subject to certain laws

Section 90. No provision of sections forty-one to forty-five, inclusive, of chapter thirty-one, or of section three of chapter two hundred and forty-two of the acts of nineteen hundred and twenty-three, shall apply in cities or towns in the case of members of police or fire departments whose services are terminated by retirement on pension or otherwise by reason of having attained age seventy.