Michigan Compiled Laws
Act 27 of 1984 - Legislative Immunity (4.551 - 4.555)
Section 4.554 - Subpoena Duces Tecum.

Sec. 4.
The legislative files, recordings, tapes, records, memoranda, or written documents of a member of the legislature shall not be subject to a subpoena duces tecum in a civil action, contested case, or other administrative proceeding. This section shall not apply to the files, recordings, tapes, records, memoranda, or written documents of a committee, subcommittee, commission, or council of the legislature.
History: 1984, Act 27, Imd. Eff. Mar. 12, 1984