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Massachusetts Legal Research

Massachusetts Agencies Chart

The following chart shows how Massachusetts state agencies are organized:

Massachusetts Regulations

The Code of Massachusetts Regulations is the collection of all of the regulations promulgated by state administrative agencies.

The CMR is updated biweekly by the Massachusetts Register. The Register includes new and changed regulations, notices of hearings and of open comment periods, and executive orders.

Both are available on state websites:

Versions of the Code of Massachusetts Regulations are available on Westlaw and Lexis. These versions include links to cases and administrative decisions that cite to a given regulation, as well as any citations to that regulation found in their secondary source collection.

Administrative Decisions & Guidance

Recent decisions and guidance documents released by Massachusetts administrative agencies can be found on the Trial Court Law Libraries website:

Decisions and opinions are also available at the Social Law Library and on Lexis and Westlaw. Coverage varies:

Executive Orders

All Massachusetts Governor's Executive Orders can be found at the Trial Court Law Libraries site. They are organized by number and subject.