Mich. Comp. Laws § 338.1709

Sec. 9. A person upon application to the board dated within 1 year after the effective date of this act, and upon payment of the required license fee, shall be issued an examiner's license hereunder, without examination, if he satisfies the registration requirements established by the board and satisfies the board by affidavit or otherwise that he is qualified as follows: (a) He has either 1 of the following: (i) He has actually engaged in the occupation, profession or practice as an examiner prior to January 1, 1969, and continuously since that time, utilizing exclusively during that period instrumentation which satisfies the requirements of section 4. (ii) He has actually engaged in an internship training program, or similar arrangement on a full-time basis prior to the effective date of this act or has satisfactorily completed such internship training program or similar arrangement and has engaged in the occupation, profession or practice as an examiner or intern prior to the effective date of this act, utilizing exclusively during that period instrumentation which satisfies the requirements of section 4. (b) He substantially fulfills the requirements for licensing as set forth in section 10. The board may issue temporary examiner's licenses to an applicant who otherwise qualifies under section 10 except for the time and experience factors set forth in section 10 to enable the fulfillment of these requirements by the applicant.