No applicant shall be licensed as an electrologist if:
(1) The applicant has been convicted of a crime and the basis of denial of licensure falls within the exceptions provided in section 831-3.1;(2) The applicant has been declared mentally incompetent by any court and the decree has not since been dismissed; or(3) Proceedings brought against the applicant pursuant to this section resulted in findings of any of the causes listed in section 448F-7(b).