The department may deny an application of an individual or take any action set forth in § 19a-17 if the certificate holder fails to conform to the accepted standards of the dietitian-nutritionist profession, including, but not limited to, the following: Conviction of a felony, provided any action taken is based upon (1) the nature of the conviction and its relationship to the certificate holder’s ability to safely or competently perform the duties or responsibilities associated with such certificate, (2) information pertaining to the degree of rehabilitation of the certificate holder, and (3) the time elapsed since the conviction or release; fraud or deceit in professional practice; illegal conduct; negligent, incompetent or wrongful conduct in professional activities; emotional disorder or mental illness; physical illness including, but not limited to, deterioration through the aging process; abuse or excessive use of drugs, including alcohol, narcotics or chemicals; wilful falsification of entries in any client or patient record; misrepresentation or concealment of a material fact in the obtaining or reinstatement of a dietitian-nutritionist certificate; or violation of any provision of sections 20-206m to 20-206t, inclusive.