Missouri Revised Statutes Title XXXVIII. Crimes and Punishment; Peace Officers and Public Defenders § 589.403. Correctional facility or mental health institution releasing on parole or discharge, official in charge, duties

(1) If the person plans to reside in this state, be informed by the official in charge of such correctional facility, private jail, or mental health institution of the person's possible duty to register pursuant to sections 589.400 to 589.425. If such person is required to register pursuant to sections 589.400 to 589.425, the official in charge of the correctional facility, private jail, or the mental health institution shall complete the initial registration notification at least seven days prior to release and forward the offender's registration, within three business days of release, to the Missouri state highway patrol and the chief law enforcement official of the county or city not within a county where the person expects to reside upon discharge, parole, or release; or

(2) If the person does not reside or plan to reside in Missouri, be informed by the official in charge of such correctional facility, private jail, or mental health institution of the person's possible duty to register under sections 589.400 to 589.425. If such person is required to register under sections 589.400 to 589.425, the official in charge of the correctional facility, private jail, or the mental health institution shall complete the initial registration notification at least seven days prior to release and forward the offender's registration, within three business days of release, to the Missouri state highway patrol and the chief law enforcement official within the county or city not within a county where the correctional facility, private jail, or mental health institution is located.