In performing its billing and collection duties hereunder, Manager shall act as Group’s agent and shall indicate it is billing in the name of Group. Group hereby appoints Manager, for the Term hereof, as its true and lawful attorney-in-fact, with full power of assignment and substitution, to bill patients or third party payors on Group’s behalf; collect accounts receivable arising out of billings, and receive payments on behalf of Group. Notwithstanding the foregoing, no assignment shall be made to Manager of any sums or rights to payment, the assignment of which is prohibited by law (e.g., revenues from patients covered by the Medicare program). In lieu of assignment of such payments, unless otherwise prohibited by law, Group shall remit to Manager the amount of any such sums within five (5) business days of Group’s receipt thereof. Group and Manager shall cooperate in the establishment of a separate account or accounts to track all such amounts. In connection with its billing activities. Manager may take possession of, and endorse in the name of Group, any and all notes, drafts and other instruments received by way of payment. Manager shall assist Group in negotiating or otherwise communicating with any patient or third party payor regarding claims processing and any disputes arising therefrom.