; and (2) take such action as may be necessary to adopt, as relevant and appropriate, new categorical exclusions that meet the requirements of section 1508.4 of title 40, Code of Federal Regulations, from among categorical exclusions reviewed by the Secretary in paragraph (1) for use by the FAA. 231. Implementation of anti-terrorist and narcotic air events programs (a) Implementation (1) Priority recommendations Not later than 180 days after the date of enactment of this section, the Administrator shall— (A) implement recommendations 6, 13, 14, and 15 as set forth in the Government Accountability Office report entitled Aviation: FAA Needs to Better Prevent, Detect, and Respond to Fraud and Abuse Risks in Aircraft Registration, (dated March 25, 2020); and (B) to the extent that rulemaking is necessary to implement such recommendations, issue a notice of proposed rulemaking pursuant to the rulemaking authority of the FAA. (2) Remaining recommendations The Administrator shall implement recommendations 1 through 5 and 8 through 12 as set forth in the Government Accountability Office report described in paragraph (1) and, to the extent that rulemaking is necessary to implement such recommendations, issue a notice of proposed rulemaking pursuant to the rulemaking authority of the FAA, on the earlier of— (A) the date that is 90 days after the date on which the FAA implements the Civil Aviation Registry Electronic Services system