Massachusetts General Laws
Article 5 - Enforcement of Support Order Without Registration.
Section 5-504 - Immunity From Civil Liability

Section 5–504. Immunity from civil liability. An employer or other source of periodic income that complies with an income withholding order issued in another state in accordance with this chapter is not subject to civil liability to an individual or agency with regard to the withholding of child support by the employer or other source of periodic income from the obligor's income.