DEPARTMENT OF LICENSING AND REGULATORY AFFAIRS  
BUREAU OF CONSTRUCTION CODES  
STATE PLUMBING BOARD  
LICENSES  
(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R 338.921 Rescinded.  
History: 1954 AC; 1979 AC; 1985 AACS; 2014 AACS; 2023 MR 8, Eff. May 3, 2023.  
R 338.921a Rescinded.  
History: 2014 AACS; 2023 MR 8, Eff. May 3, 2023.  
R 338.922 Rescinded.  
History: 1954 AC; 1979 AC; 1985 AACS; 2014 AACS; 2023 MR 8, Eff. May 3, 2023.  
R 338.923 Rescinded.  
History: 1954 AC; 1979 AC; 1985 AACS; 2014 AACS; 2023 MR 8, Eff. May 3, 2023.  
R 338.924 Rescinded.  
History: 1954 AC; 1979 AC; 1985 AACS; 2014 AACS; 2023 MR 8, Eff. May 3, 2023.  
R 338.924a Rescinded.  
History: 2014 AACS; 2023 MR 8, Eff. May 3, 2023.  
R 338.924b Rescinded.  
History: 2014 AACS; 2023 MR 8, Eff. May 3, 2023.  
Page 1  
R 338.925 Rescinded.  
History: 1954 AC; 1979 AC; 2014 AACS; 2023 MR 8, Eff. May 3, 2023.  
R 338.926 Rescinded.  
History: 1954 AC; 1979 AC; 1985 AACS; 2014 AACS; 2023 MR 8, Eff. May 3, 2023.  
R 338.927 Rescinded.  
History: 1954 AC; 1979 AC; 1985 AACS; 2014 AACS; 2023 MR 8, Eff. May 3, 2023.  
R 338.928 Rescinded.  
History: 1954 AC; 1979 AC; 1985 AACS; 2014 AACS; 2023 MR 8, Eff. May 3, 2023.  
R 338.929 Rescinded.  
History: 1954 AC; 1979 AC; 1985 AACS; 2014 AACS; 2023 MR 8, Eff. May 3, 2023.  
R 338.930 Rescinded.  
History: 1954 AC; 1979 AC; 1985 AACS; 2014 AACS; 2023 MR 8, Eff. May 3, 2023.  
R 338.931 Rescinded.  
History: 1954 AC; 1979 AC; 1985 AACS; 2014 AACS; 2023 MR 8, Eff. May 3, 2023.  
R 338.931a Rescinded.  
History: 2014 AACS; 2023 MR 8, Eff. May 3, 2023.  
R 338.931b Rescinded.  
History: 2014 AACS; 2023 MR 8, Eff. May 3, 2023.  
R 338.932 Rescinded.  
Page 2  
History: 1954 AC; 1979 AC; 2023 MR 8, Eff. May 3, 2023.  
Page 3  
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