An application for appointment will be rejected if the applicant is not 18 years of age and a resident of the United States and Texas. A notary public commission will be revoked if the applicant was not at least 18 years of age at the time of appointment, or is no longer a resident of the United States and Texas. An applicant or notary public will no longer be eligible to hold the public office of notary public if convicted of a felony which has become final, and not set aside, for which no pardon or certificate of restoration of citizenship rights has been granted. The dismissal and discharge of proceedings under the adult probation, parole, and mandatory supervision law will not be considered a conviction for the purpose of determining a person's eligibility to be appointed or hold the office of notary public.