; (II) shall provide for payment for items and services furnished by providers of services and suppliers within such network to Program-eligible beneficiaries enrolled in such Organization in accordance with payment rates determined pursuant to an agreement entered into between the Organization and such providers of services and suppliers and shall provide for payment for items and services furnished by providers of services and suppliers not within such network to such beneficiaries so enrolled in accordance that would be determined under section 1853(a)(1)(H); (III) may apply premium and cost-sharing requirements, in addition to premium or cost-sharing requirements, respectively, that would be applicable under part B, for benefits in addition to those required to be covered under the Model