In addition, references to regulations are found in the annotations to the unofficial Massachusetts statutory codes, M.G.L.A. and Ann. L. Mass. , which are indexed. New regulations and amendments are published in the biweekly Massachusetts Register . Massachusetts Register pages containing newly promulgated regulations are then filed into the looseleaf C.M.R . The Massachusetts Register contains a cumulative table of regulations and amendments published in the Massachusetts Register during the current year, including emergency regulations, which are published in the Massachusetts Register but are not filed in the C.M.R .
Emergency regulations can remain in effect for up to three months.
The Boston College Law Library subscribes to two CD-ROMs that contain Massachusetts administrative law materials. The CD-ROM versions of the C.M.R . The CDs are updated quarterly. The library maintains a historical set of the Massachusetts Register which can be used to determine the status of a particular regulation on a particular date. The bound, paper copies of the Massachusetts Register are shelved in the Massachusetts Collection at call number KFM 2434.5 .M3x.