; and (C) procure the services of experts and consultants in accordance with the provisions of section 3109(b) of such title. (6) Detail of Federal personnel Upon request of the Panel, the head of any Federal agency may detail, on a reimbursable basis, any of the personnel of the agency to the Panel to assist it in carrying out the duties under paragraph (3). (7) Federal Advisory Committee Act The Federal Advisory Committee Act (5 U.S.C. App.) shall apply to the Panel. (8) Authorization of appropriations There is authorized to be appropriated such sums as may be necessary to the Panel for carrying out the duties of the panel for each of fiscal years 2018 through 2023. (h) Guidance relating to American Indians and Alaska Natives (1) In general The Secretary shall issue guidance with respect to applying the provisions of this section in a manner consistent with the following: (A) To further the goal that Federal health services to maintain and improve the health of the Indians are consonant with and required by the Federal Government’s historical and unique legal relationship with, and resulting responsibility to, the American Indian people. (B) No enrollment fee, premium, or similar charge, and no deduction, copayment, cost sharing, or similar charge is to be imposed against an Indian who is furnished an item or service through a waiver under this section. All costs incurred in waiving such charges shall be borne by the Federal Government in fulfillment of the trust responsibility. (C) A State may not require the enrollment of an individual who is an Indian in health insurance offered through a waiver under this section. (D) Health insurance issuers offering coverage pursuant to a waiver under this section must make good faith efforts to contract with Indian Health Care Providers operating within the area served by the issuers. (E) Health insurance issuers offering coverage pursuant to a waiver under this section shall pay Indian Health Care Providers, whether such providers are participating or nonparticipating