Divisions; Officers, Qualifications, Oath Of Office; Hearing, Dismissal; Civilian Employees - Mich. Comp. Laws Section 28.4

Sec. 4.

Said department shall consist of a uniformed division, a detective division, and such other divisions, bureaus or branches as have been or may be established by law or by the commissioner in his discretion. The commissioner shall establish a highway patrol in the uniform division consisting of not less than 100 members. The commissioner shall appoint and employ all members of said department and they shall be classified as officers and civilian employes. All persons appointed as officers shall be at the time of their appointment not less than 21 years of age, the maximum age limit to be fixed by the commissioner from time to time, shall be of sound mind and body, be of good moral character, be citizens of the United States and residents of the state of Michigan and shall possess such educational qualifications as the commissioner may from time to time prescribe. All persons appointed as officers shall execute the constitutional oath of office before entering upon their duties. No officer shall be dismissed, except when insufficient funds require a reduction in expenditures in which case the officer or officers junior in point of service shall be discharged, until a due hearing on his removal shall be had as hereinafter provided. Civilian employes may be dismissed at the will of the commissioner.