Michigan Compiled Laws
Mich. Comp. Laws § 257.4a (2026)
“Birthday” defined.
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MICHIGAN VEHICLE CODE
Act 300 of 1949
257.4a “Birthday” defined.
Sec. 4a.
"Birthday" shall mean any anniversary of the original date of birth, and all persons born on February 29 shall be deemed, for the purposes of this act, to have been born on March 1.
History: Add. 1953, Act 215, Eff. Oct. 2, 1953
Notes of Decisions
Cited in 1
case, 2014–2014 · leading case: People v. Woolfolk, 848 N.W.2d 169 (Mich. Ct. App. 2014).
People v. Woolfolk, 848 N.W.2d 169 (Mich. Ct. App. 2014). “” MCL 257.4a. However, the definition also deems persons born during a leap year on February 29 to have been born on March 1 “for the purposes of this act.”
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