the original fee-for-service program defined under subsection (a)(1)(B) occurring during the plan year with respect to Medicare Advantage eligible individuals enrolled under such plan during such plan year. (B) Regulations Not later than July 1 of the first year beginning on or after the date of the enactment of this paragraph, for purposes of subparagraph (A), the Secretary shall, through rulemaking— (i) specify metrics and methods for determining whether information submitted under subparagraph (A) is complete and accurate, which shall include, as applicable, at least comparisons between— (I) encounter records submitted under this section