DEPARTMENT OF LICENSING AND REGULATORY AFFAIRS  
BUREAU OF CONSTRUCTION CODES  
STATE PLUMBING BOARD  
LICENSES  
Filed with the secretary of state on April 26, 2023  
These rules become effective 7 days after filing with the Secretary of State.  
By authority conferred on the director of the department of licensing and regulatory  
affairs by section 207 of the skilled trades regulation act, 2016 PA 407, MCL 339.5207,  
and Executive Reorganization Order Nos. 2003-1, 2008-4, and 2011-4, MCL 445.2011,  
445.2025 and 445.2030)  
R 338.921, R 338.921a, R 338.922, R 338.923, R 338.924, R 338.924a, R 338.924b,  
R 338.925, R 338.926, R 338.927, R 338.928, R 338.929, R 338.930, R 338.931,  
R 338.931a, R 338.931b, and R 338.932 of the Michigan Administrative Code are  
rescinded as follows:  
R 338.921 Rescinded.  
R 338.921a Rescinded.  
R 338.922 Rescinded.  
R 338.923 Rescinded.  
R 338.924 Rescinded.  
R 338.924a Rescinded.  
R 338.924b Rescinded.  
R 338.925 Rescinded.  
R 338.926 Rescinded.  
R 338.927 Rescinded.  
R 338.928 Rescinded.  
R 338.929 Rescinded.  
December 3, 2019  
2
R 338.930 Rescinded.  
R 338.931 Rescinded.  
R 338.931a Rescinded.  
R 338.931b Rescinded.  
R 338.932 Rescinded.  
;