Local ordinances and state statutes may make it unlawful for minors below a certain age to be on public streets, unless they are accompanied by a parent or an adult or on lawful and necessary business on behalf of their parents or guardians. For example, a Michigan state law provides that "o minor under the age of 12 years shall loiter, idle or congregate in or on any public street, highway, alley or park between the hours of 10 o'clock p.m. and 6 o'clock a.m., unless the minor is accompanied by a parent or guardian, or some adult delegated by the parent or guardian to accompany the child." MCLA § 722.751; MSA § 28.342(1). Curfew laws in other states and cities typically set forth different curfews for minors of different ages.