Before the adoption, amendment, or repeal of any rule or regulation, the suspension, revocation, or cancellation of any license or permit, or the levying of an administrative fine pursuant to section 9-418, the department shall set the matter for hearing. Such suspension, revocation, or cancellation proceedings or proceedings to levy an administrative fine shall be considered contested cases pursuant to the Administrative Procedure Act.

At least ten days before the hearing, the department shall (1) in the case of suspension, revocation, or cancellation proceedings or proceedings to levy an administrative fine, serve notice by personal service or mail upon the licensee, permittee, or violator of the time, date, and place of any hearing or (2) in the case of adoption, amendment, or repeal of any rule or regulation, issue a public notice of the time, date, and place of such hearing.

This section shall not apply to an order of suspension by the Tax Commissioner prior to a hearing as provided in section 9-419.