Subject to the availability of amounts appropriated for this specific purpose, the child and adolescent psychiatry residency program at the University of Washington shall offer two additional twenty-four month residency positions that are approved by the accreditation council for graduate medical education to two residents specializing in child and adolescent psychiatry. The positions must each include a minimum of eighteen months of training in settings where children's mental health services are provided under the supervision of experienced psychiatric consultants and must be located west of the crest of the Cascade mountains.