Sec. 151.99 — Modifications of programming standards.
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]
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