Sec. 9. Postadoption contact privileges are permissible without court approval in an adoption of a child who is less than two (2) years of age upon the agreement of the adoptive parents and a birth parent. However, postadoption contact privileges under this section may not include visitation. A postadoption contact agreement under this section:
(1) is not enforceable;
(2) may include contact through photographs, written and verbal updates, and other forms of communication;
(3) does not have to be in writing; and
(4) does not affect the:
(A) validity of a:
(i) consent to an adoption; or
(ii) waiver of notice; or
(B) finality of the adoption.