Mich. Admin. Code R. 325.11906a
Rule 1906a.
With the concurrence of the advisory board, the department may issue site specific, restricted certification to an operator on a case-by-case basis. An operator issued restricted certification under this rule is only authorized to operate the waterworks system or portion of the system that is designated on the restricted certificate issued to him or her, except such operator may operate any other waterworks system or portion of a system for which he or she holds an unrestricted certification. An operator with a restricted certification is subject to the same requirements for performance as other certification classes and the certificate may be suspended or revoked or the operator placed on probation under R 325.11917.
Mich. Admin. Code R. 325.11906a