; and (II) administrative costs related to operating the public health insurance option. (B) Contingency margin In establishing premium rates under subparagraph (A), the Secretary shall include an appropriate amount for a contingency margin. (C) Variations in premium rates The premium rate charged for the public health insurance option may not vary except as provided under section 2701. (2) Health care provider payment rates for items and services (A) In general (i) Rates negotiated by the Secretary Not later than January 1, 2018, and except as provided in clause (ii), the Secretary shall, through a negotiated agreement with health care providers, establish rates for reimbursing health care providers for providing the benefits covered by the public health insurance option. (ii) Medicare reimbursement rates If the Secretary and health care providers are unable to reach a negotiated agreement on a reimbursement rate, the Secretary shall reimburse providers at rates determined for equivalent items and services under the original medicare fee-for-service program under parts A and B of title XVIII of the Social Security Act. (iii) For new services The Secretary shall modify reimbursement rates described in clause (ii) in order to accommodate payments for services, such as well-child visits, that are not otherwise covered under the original medicare fee-for-service program. (B) Prescription drugs Any payment rate under this subsection for a prescription drug shall be at a rate negotiated by the Secretary. If the Secretary is unable to reach a negotiated agreement on such a reimbursement rate, the Secretary shall use rates determined for equivalent drugs paid for under the original medicare fee-for-service program. The Secretary shall modify such rates in order 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