Occupations: individual licensing and registration; boiler installer license; provide for. Amends sec. 939 of 2016 PA 407 (MCL 339.5939) & adds secs. 926, 926a & 926b.

Added Class 6B and Class P boiler installer license categories to the existing classification system.

Added authority for the department to consolidate license classes by rule to reduce the total number of boiler installer licenses issued.

Updated eligibility requirements for Class 6B licenses to require proof of familiarity with federal nuclear rules and employment by a company with a valid ASME nuclear code symbol.

Added a new definition for 'non-boiler external piping' to clarify what equipment falls outside the boiler proper.

Added a provision stating that individuals with existing Class 1B licenses are automatically considered to have Class 2B licenses upon the effective date of the amendment.

Created five new boiler installer license classifications (Class 2B, 3B, 4B, 5B, 6B, and P) with specific authority levels for different types of boiler installation work.

Added specific requirements for Class 6B licenses, including evidence of familiarity with federal nuclear regulations and employment by a company with valid ASME nuclear code symbol.

Established that Class 1B license holders are automatically considered to have Class 2B license status upon the effective date of the amendatory act.

Modified the permit requirement section to clarify that unlicensed individuals cannot perform permit-required work unless under immediate supervision of a licensed installer.

Defined 'non-boiler external piping' as piping, valves, fittings, and appurtenances external to a boiler, to be further defined by department rule using nationally recognized power-piping standards.