; (B) if the program ensures the highest level of compliance with safety standards; (C) if the program has met its stated safety goals and purpose; and (D) FAA employee confidence in the program. ; (2) in subsection (c)(4) by striking 2023 and inserting 2028 ; and (3) in subsection (d) by striking 2023 and inserting 2028 . 308. Scalability of safety management systems In conducting any rulemaking to require, or implementing a regulation requiring, a safety management system, the Administrator shall consider the scalability of such safety management system requirements, to the full range of entities in terms of size or complexity that may be affected by such rulemaking or regulation, including— (1) how an entity can demonstrate compliance using various documentation, tools, and methods, including, as appropriate, systems with multiple small operators collectively monitoring for and addressing risks; (2) a review of traditional safety management techniques and the suitability of such techniques for small entities; (3) the applicability of existing safety management system programs implemented by an entity; (4) the suitability of existing requirements under part 5 of title 14, Code of Federal Regulations, for small entities