(a) A person entitled to receive notice required under this part may waive the notice before the court or in a consent, relinquishment, or other written document signed by the person or on behalf of the person.

(b) Except as provided in subsection (c) of this section, a person who has waived the requisite notice is not required to appear in the adoption proceeding.

(c) A parent who has executed a consent or relinquishment containing a waiver of notice may appear in the adoption proceeding for the limited purpose of moving to set aside the consent or relinquishment on the ground that it was obtained by fraud or coercion or for purposes as the court may permit as necessary to determine whether or not to grant the petition. (Added 1995, No. 161 (Adj. Sess.), § 1.)