Provided, however, the board may appoint a hearing commission of not less than three members to hear and decide all contested applications of licenses under this chapter, and hear and decide all charges against any licensee for violation of this chapter, the law or the regulations of the board and shall have the power and authority to revoke or suspend for cause licenses and permits, or to fine licensees provided in this chapter. Provided, no member of the hearing commission shall participate in the hearing or disposition of any application for license or charge against a licensee if he has an interest therein or he was involved in the investigation.
Ala. Code § 28-3A-24 (1975)