(a) If a person has been committed under this chapter and later is committed to the custody of the commissioner of corrections for any reason, including but not limited to, being sentenced for a crime or revocation of the person’s supervised release or conditional release under section 244.05; 609.3455, subdivision 6, 7, or 8; Minnesota Statutes 2004, section 609.108, subdivision 6; or Minnesota Statutes 2004, section 609.109, subdivision 7, the person shall be transferred to a facility designated by the commissioner of corrections without regard to the procedures provided in section 253D.29, subdivision 1.

(b) If a person is committed under this chapter after a commitment to the commissioner of corrections, the person shall first serve the sentence in a facility designated by the commissioner of corrections. After the person has served the sentence, the person shall be transferred to a treatment program designated by the commissioner of human services.