19 CFR 122.33 - Place of first landing.
(a) The first landing of an aircraft entering the United States from a foreign area will be:
(1) At a designated international airport (see § 122.13), provided that permission to land has not been denied pursuant to § 122.12(c);
(2) At a landing rights airport if permission to land has been granted (see § 122.14); or
(3) At a designated user fee airport if permission to land has been granted (see § 122.15).
(b) Permission to land at a landing rights airport or user fee airport is not required for an emergency or forced landing (see § 122.35).