(a) After filing of the summons and the petition for appointment of a conservator or other protective order, the person to be protected must be served personally with the summons and petition. The following persons also must be properly served: the spouse and the adult children of the person to be protected, or if none, his parents or nearest adult relatives if there are no parents, and other persons as the court may direct.
(b) Notice of hearing on a petition for appointment of a conservator or other initial protective order, and of any subsequent hearing, must be given to the person to be protected, to any person who has filed a request for notice under Section 62-5-406, to interested persons, and to other persons as the court may direct. Notice must be given in accordance with Section 62-1-401. Waiver of notice of hearing by the person to be protected is not effective unless he attends the hearing or waiver of notice is given by his attorney.