14 C.F.R. § 151.99 Modifications of programming standards.
Title 14 - Aeronautics and Space
The Director, Airports, Service, or the Regional Director concerned may, on individual projects, when necessary for adaptation to meet local conditions, modify any standard set forth in or incorporated into this subpart, if he determines that the modification will provide an acceptable level of safety, economy, durability, or workmanship. [Amdt. 151–13, 31 FR 11605, Sept. 2, 1966]
Title 14: Aeronautics and Space
PART 151—FEDERAL AID TO AIRPORTS
Subpart C—Project Programming Standards
§ 151.99 Modifications of programming standards.