Sec. 4. The activities permitted by sections 2 and 3 shall not be actively engaged in by a public employee during those hours when that person is being compensated for the performance of that person's duties as a public employee.
Active engagement in permissible activities; certain hours prohibited.
Mich. Comp. Laws § 15.404, under POLITICAL ACTIVITIES BY PUBLIC EMPLOYEES.
Mich. Comp. Laws § 15.404