Wis. Stat. § 440.9925: Suspension, revocation, or refusal to renew registration.

(1) The department may limit, suspend, revoke, or refuse to renew a registration of an individual issued a certificate of registration under s. 440.992 (1) for conduct that would justify refusal to issue a certificate of registration under s. 440.992 (2).

(1m) The department may suspend or revoke the registration of an individual issued a certificate of registration under s. 440.9915 (2) or renewed under s. 440.992 (5) for any reason for which the department could have refused to grant or renew registration or for conduct that would justify refusal to issue a certificate of registration under s. 440.992 (2).

(2) The department may deny, limit, suspend, revoke, or refuse to renew a certificate of registration only after proper notice and an opportunity for a hearing.