Accounting authority operations must be conducted in accordance with applicable FCC rules and regulations, the International Telecommunication Regulations (ITR), and other international rules, regulations, agreements, and, where appropriate, ITU-T Recommendations. In particular, the following must be adhered to or taken into account in the case of ITU-T.

(a) The latest basic treaty instrument(s) of the International Telecommunication Union (ITU);

(b) Binding agreements contained in the Final Acts of World Administrative Radio Conferences and/or World International Telecommunication Conferences;

(c) ITU Radio Regulations;

(d) ITU International Telecommunication Regulations (ITR);

(e) ITU-T Recommendations (particularly D.90 and D.195); and

(f) FCC Rules and Regulations (47 CFR part 3).