Wis. Stat. § 616.07: Certificate of authority.

(1) Issuance. Within 90 days after May 11, 1980, each plan authorized under s. 616.06 shall apply to the commissioner for a certificate of authority to continue the business it was doing on that date. The commissioner shall issue the certificate unless the commissioner finds after a hearing that the plan is in substantial or willful noncompliance with the law. No charge may be made for the initial issuance of the certificate under this subsection.

(2) Termination. A certificate issued under sub. (1) remains in force until it is revoked after a hearing for a substantial violation of chs. 600 to 646.