Nothing in this act shall be construed as limiting the power of the parent, guardian, conservator or person in loco parentis with respect to a child with special health care needs.

Nothing in this act shall be construed to authorize any treatment services for children under 18 years of age without the written consent of a parent or guardian, except that a person under the age of 18 years who has had conferred by court order the rights of majority may authorize treatment services without the written consent of a parent or guardian.

L. 1978, ch. 238, § 10; L. 1984, ch. 226, § 9; L. 1988, ch. 241, § 9; July 1.