Missouri Revised Statutes Title XXXVIII. Crimes and Punishment; Peace Officers and Public Defenders § 561.016. Basis of disqualification or disability

(1) Necessarily incident to execution of the sentence of the court; or

(2) Provided by the Constitution or the code; or

(3) Provided by a statute other than the code, when the conviction is of an offense defined by such statute; or

(4) Provided by the judgment, order or regulation of a court, agency or official exercising a jurisdiction conferred by law, or by the statute defining such jurisdiction, when the commission of the offense or the conviction or the sentence is reasonably related to the competency of the individual to exercise the right or privilege of which he or she is deprived.