Massachusetts General Laws Part I. Administration of the Government (Ch. 1-182) Ch. 150A, § 4C

(1) For any health care facility or any charitable home for the aged to institute, declare or cause, or to attempt to institute, declare or cause, any lockout of any of its nurse or nonprofessional employees; or

(2) For any nurse or nonprofessional employee of a health care facility or of any charitable home for the aged, or for a representative of any such employee, or for any other person, to engage in, induce or encourage any strike, work stoppage, slowdown or withholding of customary goods or services by such employees or other persons at such health care facility or home.