quantitative and qualitative metrics to measure the economic impact of the regulation and to measure the extent to which the regulation has accomplished the stated purposes. (iii) The assessment plan that will be used, consistent with the requirements of subparagraph (B) and under the supervision of the Chief Economist of the Commission, to assess whether the regulation has achieved the stated purposes. (iv) Any unintended or negative consequences that the Commission foresees may result from the regulation. (B) Requirements of assessment plan and report (i) Requirements of plan The assessment plan required under this paragraph shall consider the costs, benefits, and intended and unintended consequences of the regulation. The plan shall specify the data to be collected, the methods for collection and analysis of the data and a date for completion of the assessment. The assessment plan shall include an analysis of any jobs added or lost as a result of the regulation, differentiating between public and private sector jobs. (ii) Submission and publication of report The Chief Economist shall submit the completed assessment report to the Commission no later than 2 years after the publication of the adopting release, unless the Commission, at the request of the Chief Economist, has published at least 90 days before such date a notice in the Federal Register extending the date and providing specific reasons why an extension is necessary. Within 7 days after submission to the Commission of the final assessment report, it shall be published in the Federal Register for notice and comment. Any material modification of the plan, as necessary to assess unforeseen aspects or consequences of the regulation, shall be promptly published in the Federal Register for notice and comment. (iii) Data collection not subject to notice and comment requirements If the Commission has published its assessment plan for notice and comment, specifying the data to be collected and method of collection, at least 30 days prior to adoption of a