to accommodate payments for drugs that are not otherwise covered under the original medicare fee-for-service program. (3) Account (A) Establishment There is established in the Treasury of the United States an account for the receipts and disbursements attributable to the operation of the public health insurance option, including the startup funding under subparagraph (C) and appropriations authorized under subparagraph (D). (B) Prohibition of State imposition of taxes Section 1854(g) of the Social Security Act shall apply to receipts and disbursements described in subparagraph (A) in the same manner as such section applies to payments or premiums described in such section. (C) Startup funding (i) Authorization of funding There are authorized to be appropriated such sums as may be necessary to establish the public health insurance option and cover 90 days of claims reserves based on projected enrollment. (ii) Amortization of startup funding The Secretary shall provide for the repayment of the startup funding provided under clause (i) to the Treasury in an amortized manner over the 10-year period beginning on January 1, 2019. (D) Additional authorization of appropriations To carry out paragraph (2) of subsection (b), there are authorized to be appropriated such sums as may be necessary. (d) Health care provider participation (1) Provider participation (A) In general The Secretary shall establish conditions of participation for health care providers under the public health insurance option. (B) Licensure or certification The Secretary shall not allow a health care provider to participate in the public health insurance option unless such provider is appropriately licensed or certified under State law. (2) Establishment of a provider network (A) Medicare and Medicaid participating providers A health care provider that is a participating provider of services or supplier under the Medicare program under title XVIII of the Social Security Act or under a State Medicaid plan under title XIX of such Act is a participating