The licensing of Indian foster homes and placement and supervision of Indian children within the boundaries of an Indian reservation must not in any way abridge the sovereignty of an Indian nation or tribe . Compliance with these rules and regulations does not relinquish the sovereign authority of an Indian nation or tribe or the state of Washington.
Wash. Admin. Code § 388-70-092
Order 1167, § 388-70-092, filed 10/27/76.