Com and select "Prior Authorization" from the Topics drop-down menu. Have the applicant complete and sign a Voluntary Withdrawal Form (PA 1829) or provide a written statement.Unless otherwise indicated in the patient's record, the treatment team leader shall be notified of each request to withdraw. State Supplement for Domiciliary Termination. Submit your prior authorization using TMHP's Prior Authorization (PA) on the Portal and receive request decisions. The Privacy Rule gives individuals the right to revoke, at any time, an Authorization they have given. Any minor who is fourteen years of age or older may consent on his or her own behalf to outpatient mental health examination and treatment.