(a) A person discharged from the state military forces who is later charged with having fraudulently obtained the discharge is, except as provided by Section 432.068, subject to trial by court-martial on that charge and is, after apprehension, subject to this chapter while in custody of the military for that trial. On conviction of that charge the person is subject to trial by court-martial for all offenses under this chapter committed before the fraudulent discharge.
(b) A person who has deserted from the state military forces may not be relieved from amenability to the jurisdiction of this chapter by virtue of a separation from any later period of service.