Massachusetts General Laws Part I. Administration of the Government (Ch. 1-182) Ch. 121B, § 32G

A temporary absence from the commonwealth which exceeds 30 calendar days or 90 days in aggregate over the course of a calendar year shall create a rebuttable presumption that Massachusetts residency has been abandoned by a recipient of state or municipally-funded or subsidized housing and that the recipient is no longer eligible for such assistance pursuant to this chapter. The department shall promulgate regulations in accordance with this section, including, but not limited to, the process by which the 90 days shall be monitored.