by the body of rules of the agency (including the new rule or set of rules) that is equal to or greater than the cost of the new rule or set of rules to be promulgated, including, whenever necessary, by repealing additional rules of the agency listed by the Commission under section 101(h)(4)(A)(ii). 202. Applicability An agency shall no longer be subject to the requirements of sections 201 and 203 beginning on the date on which there is no rule or set of rules of the agency classified by the Commission under section 101(h)(4)(A)(ii) that has not been repealed such that all regulatory cost reductions identified by the Commission to be achievable through repeal have been achieved. 203. OIRA certification of cost calculations (a) In general The Administrator shall review and certify the accuracy of agency determinations of the costs of new rules under section 201. (b) Inclusion The certification described in subsection (a) shall be included in the administrative record of the relevant rulemaking by the agency promulgating the rule, and the Administrator shall transmit a copy of the certification to Congress when the Administrator transmits the certification to the agency. III Retrospective Review of New Rules 301. Plan for future review (a) In general When an agency makes a rule, the agency shall include in the final issuance of such rule a plan for the review of such rule by not later than 10 years after the date such rule is made. (b) Review of major rules In the case of a major rule of an agency, the plan for review under subsection (a) shall be substantially similar to the review by the Commission under section 101(h). (c) Review other rules In the case of a rule of an agency other than a major rule, the plan for review under subsection (a) shall include other procedures and standards to enable the agency to determine whether to repeal or amend the rule to eliminate unnecessary regulatory costs to the economy. (d) Public comment on plan Whenever feasible, an agency shall include a proposed plan for review of a