876—12.1 (17A) Requests to review. Any interested person, association, agency, or political subdivision may submit a written request to the workers’ compensation commissioner requesting the agency to conduct a formal review of a specified rule. Upon approval of that request by the workers’ compensation commissioner, the agency shall conduct a formal review of a specified rule to determine whether a new rule should be adopted instead or the rule should be amended or repealed. The agency may refuse to conduct a review if it has conducted such a review of the specified rule within five years prior to the filing of the written request.