in the Federal Register of a notice of final rulemaking, the chief economist of the agency shall issue a report that examines the economic impact of the subject regulation, including the direct and indirect costs and benefits of the regulation. (b) Regulatory impact metrics In preparing the report required by subsection (a), the chief economist shall employ the regulatory impact metrics included in the notice of final rulemaking pursuant to section 312(b)(1)(C). (c) Reproducibility The report shall include the data, methodologies, and assumptions underlying the evaluation so that the agency’s analytical results are capable of being substantially reproduced, subject to an acceptable degree of imprecision or error. (d) Confidentiality The agency shall comply with subsection (c) in a manner that preserves the confidentiality of nonpublic information, including confidential trade secrets, confidential commercial or financial information, and confidential information about positions, transactions, or business practices. (e) Report The agency shall submit the report required by subsection (a) to the Committee on Banking, Housing, and Urban Affairs of the Senate and the Committee on Financial Services of the House of Representatives and post it on the public website of the agency. The Commodity Futures Trading Commission shall also submit its report to the Committee on Agriculture, Nutrition, and Forestry of the Senate and the Committee on Agriculture of the House of Representatives. 316. Retrospective review of existing rules (a) Regulatory improvement plan Not later than 1 year after the date of enactment of this Act and every 5 years thereafter, each agency shall develop, submit to the Committee on Banking, Housing, and Urban Affairs of the Senate and the Committee on Financial Services of the House of Representatives, and post on the public website of the agency a plan, consistent with law and its resources and regulatory priorities, under which the agency will modify, streamline, expand, or repeal existing