The Secretary is authorized to enter into an agreement with any entity under which the Secretary is authorized to assign personnel of the Department of Health and Human Services with expertise identified by such entity to such entity on detail for the purposes of providing comprehensive health promotion and disease prevention services to Native Hawaiians.

Any assignment of personnel made by the Secretary under any agreement entered into under the authority of subsection (a) shall be treated as an assignment of Federal personnel to a local government that is made in accordance with subchapter VI of chapter 33 of title 5.