3B:12-14. Consent of surviving parent; formal requisites Where an appointment is made under N.J.S. 3B:12-13 and the other parent survives the appointing parent, the appointment shall be effective only when the surviving parent, at or before the issuance of the letters, consents thereto in writing and signs and acknowledges the consent in the presence of two witnesses present at the same time who subscribe their names as witnesses thereto in his presence.