NOTE.—These circulars contain instructions to consular officers. They are designated either "General instruction, consular", when applicable to all principal consular officers, or "Special instruction, consular", when applicable to particular officers or groups of officers. The General instructions and Special instructions are all numbered in the same series.
Nos. 1-4, 6, 10, 11, 15 are General instruction circulars and nos. 5, 7-9, 12-14 are Special instruction circulars.