; (II) may authorize an internal entity or contract with an external entity to assist with carrying out subclause (I) and determining any percent reduction to be applied under clause (ii); and (III) shall establish a mechanism for Medicare Advantage organizations to appeal determinations under this subparagraph, with respect to such organization. (iv) Collection of data through Medicare Administrative Contractors The Secretary shall implement a mechanism requiring direct submission of provider claims to Medicare Administrative Contractors— (I) for Medicare Advantage plans that submit incomplete or inaccurate encounter information under this subparagraph for 2 consecutive years