DEPARTMENT OF LICENSING AND REGULATORY AFFAIRS  
BUREAU OF CONSTRUCTION CODES  
BOARD OF MECHANICAL RULES  
LICENSE EXAMINATION PROCEDURES  
(By authority conferred on the board of mechanical rules by section 5 of 1984 PA 192  
MCL 338.975, and Executive Reorganization Order Nos. 2003-1, 2008-4 and 2011-4,  
MCL 445.2011, 445.2025 and 445.2030)  
R 338.901 Definitions.  
Rule 901. (1) The terms defined in the Forbes mechanical contractors act, 1984 PA  
192, MCL 338.971 to 338.988, have the same meaning when used in these rules.  
(2) “Act” means 1984 PA 192, MCL 338.971 to 338.988 and known as the Forbes  
mechanical contractors act when used in these rules.  
History: 1986 AACS; 2014 AACS.  
Editor's note: Former R 338.901 to R 338.914, pertaining to the state plumbing code, were  
rescinded by R 408.30709, effective May 19, 1975.  
R 338.902 Applications; form; fee; grounds for denial of application and  
forfeiture of fee.  
Rule 902. (1) An applicant for examination shall submit, to the department,  
application on the form prepared and furnished by the department.  
(2) An application shall be accompanied by the examination fee prescribed in the  
act.  
(3) The department shall return an incomplete application to the applicant for  
completion and the applicant must resubmit the application to the department within 15  
business days after the date of the department’s request.  
(4) Failure to comply with subrule (3) of this rule is grounds for denial of the  
application and forfeiture of the examination fee.  
History: 1986 AACS; 2014 AACS.  
Editor's note: Former R 338.901 to R 338.914, pertaining to the state plumbing code, were  
rescinded by R 408.30709, effective May 19, 1975.  
R 338.903 Examination qualifications.  
Rule 903. (1) To qualify for examination, the applicant shall furnish on the  
application a notarized statement or statements from present or former employers to the  
effect that the applicant has a minimum of 3 years of experience totaling at least 6,000  
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hours in performance of 1 or more of the work classifications in the act. The notarized  
statement shall show a detailed and specific description of the type of work performed  
and the length of time work was performed.  
(2) When evidence is produced that an applicant is a graduate of a recognized trade  
school, credit shall be given the applicant, but such credit shall not exceed 1 year or 2,000  
hours of the required 3 years of experience.  
(3) If the applicant is unable to comply with any of the requirements in subrules (1)  
and (2) of this rule, he or she shall, upon written request, appear before a representative  
of the department and a quorum of the board to present evidence as to his or her  
eligibility for examination. The board shall then determine if the individual may sit for  
the examination.  
(4) An applicant shall be of good moral character as defined in the occupational  
license for former offenders act, 1974 PA 381, MCL 338.41 to 338.47.  
(5) The department may investigate any applicant as to character and experience.  
(6) The department may approve or deny an application for examination based upon  
the requisites established by the act and these rules.  
(7) Upon the acceptance, or rejection, of an application the department shall  
immediately notify the applicant. If an application is rejected, the examination fee shall  
not be refunded.  
History: 1986 AACS; 2014 AACS.  
Editor's note: Former R 338.901 to R 338.914, pertaining to the state plumbing code, were  
rescinded by R 408.30709, effective May 19, 1975.  
R 338.904 Acceptance of applications.  
Rule 904. An application shall not be accepted, and an admission card shall not be  
issued, for a scheduled examination unless the completed application has been accepted,  
approved, and placed on file with the department for not less than 20 business days  
before the date of the next scheduled examination.  
History: 1986 AACS; 2014 AACS.  
Editor's note: Former R 338.901 to R 338.914, pertaining to the state plumbing code, were  
rescinded by R 408.30709, effective May 19, 1975.  
R 338.905 Time of examinations.  
Rule 905. The department shall conduct an examination at least once each calendar  
quarter at a time and place designated by the department.  
History: 1986 AACS; 2014 AACS.  
Editor's note: Former R 338.901 to R 338.914, pertaining to the state plumbing code, were  
rescinded by R 408.30709, effective May 19, 1975.  
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R 338.906 Failure to appear for examination.  
Rule 906. The department shall not reissue an admission card unless the applicant  
provides a written explanation of his or her absence from the scheduled examination to  
the department within 10 business days following the scheduled examination. Unless the  
explanation is accepted and approved by the department, the application shall be denied  
and the examination fee shall be forfeited.  
History: 1986 AACS; 2014 AACS.  
Editor's note: Former R 338.901 to R 338.914, pertaining to the state plumbing code, were  
rescinded by R 408.30709, effective May 19, 1975.  
R 338.907 Examinations; notice; identification.  
Rule 907. (1) Notice of the time, place, and date of the examination shall be  
provided by the department to those applicants whose applications have been approved  
(2) An applicant appearing for examination shall present the admission card issued  
by the department and a current government-issued photo identification.  
History: 1986 AACS; 2014 AACS.  
Editor's note: Former R 338.901 to R 338.914, pertaining to the state plumbing code, were  
rescinded by R 408.30709, effective May 19, 1975.  
R 338.908 Review and approval of form and content of examination; scope of  
examinations; minimum grade for qualification for license for work classification.  
Rule 908. (1) The examination shall consist of a written test on the law, which shall  
cover knowledge of the act and the Stille-DeRossett-Hale single state construction code  
act, 1972 PA 230, MCL 125.1501 to 125.1531, and for each work classification for  
which the applicant qualifies based upon experience provided.  
(2) An examination shall cover the general theories and practices of the specific  
work classification, knowledge of the code, and applicable laws.  
(3) To qualify for a license for any classification, an applicant must receive a  
minimum grade of 70% on the examination for the law portion and for the work  
classification for which licensure is being sought.  
History: 1986 AACS; 2014 AACS.  
Editor's note: Former R 338.901 to R 338.914, pertaining to the state plumbing code, were  
rescinded by R 408.30709, effective May 19, 1975.  
R 338.909 Notification of results of examination.  
Rule 909. An applicant shall be notified of the results of an examination within 30  
business days after completing the examination. A license shall be issued pursuant to R  
338.911 within 10 business days after receipt of the license application and fee.  
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History: 1986 AACS; 2014 AACS.  
Editor's note: Former R 338.901 to R 338.914, pertaining to the state plumbing code, were  
rescinded by R 408.30709, effective May 19, 1975.  
R 338.910 Rescinded.  
History: 1986 AACS; 2014 AACS.  
Editor's note: Former R 338.901 to R 338.914, pertaining to the state plumbing code, were  
rescinded by R 408.30709, effective May 19, 1975.  
R 338.911 Licenses; issuance.  
Rule 911. The department shall issue a license only after an applicant has  
successfully completed all requirements of the act and these rules, including the receiving  
of the minimum passing grade on the law portion and work classifications to be covered  
by the license portion of the examination, and paid the license fee prescribed in the act.  
History: 1986 AACS; 2014 AACS.  
Editor's note: Former R 338.901 to R 338.914, pertaining to the state plumbing code, were  
rescinded by R 408.30709, effective May 19, 1975.  
R 338.912 Rescinded.  
History: 1986 AACS; 2014 AACS.  
Editor's note: Former R 338.901 to R 338.914, pertaining to the state plumbing code, were  
rescinded by R 408.30709, effective May 19, 1975.  
R 338.913 Rescinded.  
History: 1986 AACS; 2014 AACS.  
Editor's note: Former R 338.901 to R 338.914, pertaining to the state plumbing code, were  
rescinded by R 408.30709, effective May 19, 1975.  
R 338.914 Rescinded.  
History: 1986 AACS; 2014 AACS.  
Editor's note: Former R 338.901 to R 338.914, pertaining to the state plumbing code, were  
rescinded by R 408.30709, effective May 19, 1975.  
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