2012 Michigan Compiled Laws
Chapter 1 — Constitution of the State of Michigan of 1963
CONSTITUTION OF MICHIGAN OF 1963 — STATE CONSTITUTION (Article I § 1 - § 0)
CONSTITUTION-V — ARTICLE V EXECUTIVE BRANCH (Article V § 1...§ 30)
Article V § 25 — Lieutenant governor; president of senate, tie vote, duties.

Sec. 25.

The lieutenant governor shall be president of the senate, but shall have no vote, unless they be equally divided. He may perform duties requested of him by the governor, but no power vested in the governor shall be delegated.

History: Const. 1963, Art. V, § 25, Eff. Jan. 1, 1964
Constitutionality: In Advisory Opinion on Constitutionality of 1978 PA 426, 403 Mich. 631, 272 N.W.2d 495 (1978), the Michigan supreme court held that the lieutenant governor may cast a tie-breaking vote during the final consideration of a bill when the senate is equally divided, and 1978 PA 426 was constitutionally enacted.
Former Constitution: See Const. 1908, Art. VI, § 19.