Mich. Comp. Laws § 35.925

Sec. 5. Each veteran or his beneficiary entitled to payment shall make application to the adjutant general upon such form as may be prescribed by him: Provided, That if the veteran be incompetent or his beneficiary be incompetent or a minor application shall be made by his guardian. Each application shall be accompanied by a certified copy of honorable discharge as defined in section 2, or by such evidence of honest and faithful service during the period of service as shall be prescribed by said adjutant general. Each application shall be subscribed and sworn to by the applicant before witnesses in such manner as shall be prescribed by the adjutant general: Provided, That the adjutant general shall provide by regulation for an endorsement on the evidence of service required in section 2d that application for payment has been made.