14 CFR 99.41 - General.
The airspace above the areas described in this subpart is established as an ADIZ. The lines between points described in this subpart are great circles except that the lines joining adjacent points on the same parallel of latitude are rhumb lines.
Title 14 published on 2015-11-17.
No entries appear in the Federal Register after this date, for 14 CFR Part 99.