14 C.F.R. § 399.30 Definitions.
Title 14 - Aeronautics and Space
As used in this subpart: DPFI formula fare means the trunk coach formula fare on July 1, 1977, as established by the Board in Phase 9 of the Domestic Passenger Fares Investigation (Docket 21866–9). SIFL means the standard industry fare level, as set forth in §399.31. [PS–92, 45 FR 24118, Apr. 9, 1980]
Title 14: Aeronautics and Space
PART 399—STATEMENTS OF GENERAL POLICY
Subpart C—Policies Relating to Rates and Tariffs
§ 399.30 Definitions.