; (bb) involve claims with the same or related current procedural terminology codes relevant to a particular procedure; and (cc) involve claims that occur within 60 days of each other. (C) Independent dispute resolution process (i) Timing In the case of an IDR entity that receives a request under this paragraph, with respect to a payment amount to be paid by a health plan to a nonparticipating provider— (I) the plan and provider may, during the 30-day period following the date of receipt of such request, submit any information or supporting documentation to the IDR entity; and (II) the IDR entity shall, not later than 60 days after receiving such request, determine such amount. (ii) Determination of amount (I) In general The amount determined by the IDR entity under clause (i), with respect to a payment amount to be paid by a health plan to a nonparticipating provider for an item or service shall be— (aa) the initial charge for the item or service made by the provider or the commercially reasonable rate paid by the plan for the item or service under subsections (b)(1)(C)(iii) or (e)(1)(B), respectively, whichever is determined reasonable by the entity based on the factors described in subclause (III)