193—1.2 (546) Scope of rules. The rules for the bureau are promulgated under Iowa Code chapter 17A and sections 546.3 and 546.10 and shall apply to all matters before the bureau. No rule shall, in any way, relieve a person affected by or subject to these rules, or any person affected by or subject to the rules promulgated by the various boards of the bureau from any duty under the laws of this state.