Unprofessional conduct by any licensee or registrant or by any agent or employee of a licensee or registrant constitutes grounds for disciplinary action. Unprofessional conduct includes, but is not limited to, the following:
(a) Violating or attempting to violate, directly or indirectly, or assisting in or abetting the violation of this chapter and any regulation adopted thereunder, or of any federal or state law or regulation governing the disposition of human remains, operation of cemeteries or crematories, the sale of cemetery property, or the sale of crematory services or commodities.
(b) Negligence in performing any act related to the operation of a cemetery or crematory.