ICAO Annex 2 Rules of the Air Ed 10
The rules in Annex 2 consist of general rules, visual flight rules and instrument flight rules and apply without exception over the high seas and over national territories to the extent that they do not conflict with the rules of the State being overflown.
Reprinted March 2010, incorporating Amendments 1-42. Supplied with Amendment 43 to 47
Also available on CD-ROM.