Sec. 4. The following persons may file a petition requesting that the court vacate or modify a postadoption contact order with a pre-adoptive sibling or to compel an adoptive parent to comply with the postadoption contact order:
(1) A pre-adoptive sibling by:
(A) next friend; or
(B) guardian ad litem or court appointed special advocate.
(2) The adopted child by:
(A) next friend; or
(B) guardian ad litem or court appointed special advocate as described in section 5 of this chapter.
(3) An adoptive parent.