; and (ii) an explanation that they retain the right to receive care from any Medicare provider. (B) Timing of notification Upon assignment to or election of an ESRD Fee-For-Service Integrated Care Model offered by an Organization, the Secretary shall provide the Organization written notification confirming the beneficiary's assignment or election and not later than 15 business days after the date of receipt of such notification, the Organization shall provide written notice to the Program-eligible beneficiary of such assignment or election. (C) Content of written notice Subject to subparagraph (D), such notification shall— (i) inform Program-eligible beneficiaries about the Program using an information guide developed by the Organization and approved by the Secretary; (ii) include the distribution of other Program materials developed by the Organization and approved by the Secretary; (iii) inform Program-eligible beneficiaries about the importance of transplantation as the best outcome, as well as minimum requirements for transplant eligibility before and during dialysis treatment