19 C.F.R. § 122.83
(2) Crew purchases not listed on a crew purchase list. A crew member's declaration shall be attached to the traveling general declaration and manifest if:
(ii) The crew member has not left the aircraft with his or her purchase at the first entry port.
The crew member's declaration must be attached at the port where the articles listed on the declaration receive clearance.
(2) To be discharged at another domestic or foreign airport.
An abstract general declaration and manifest need not be filed at the last domestic port of discharge.
(d) Permit to proceed. A permit to proceed from one domestic airport to another shall be filed by the aircraft commander or agent with the Customs officer in charge at the clearance airport. The permit to proceed shall include a declaration by the aircraft commander or agent, which shall be signed on entry at the next domestic airport. The permit to proceed and declaration shall state substantially the following:
Permit To Proceed From One Airport to Another
Airport of Departure Date Permission is hereby given aircraft __________ to proceed to __________ (Next Domestic Airport) The aircraft which has arrived from and is destined to the places shown in the general declaration, is proceeding to such places of destination to discharge residue cargo, passengers, or crew members and their purchases, as listed in the attached manifest. Bond was given at the airport of arrival for the cargo retained on board. Items of cargo manifested for delivery at this airport appear to have been landed. Number of crew members not cleared by Customs ________. Number of passengers not cleared by Customs ________. Number of pages of the traveling manifest ________. (Customs Officer and Title) Declaration on Entry of Aircraft at Following Airport Airport of Arrival Date I, __________, commander or authorized agent of the aircraft identified in this document, declare and guarantee that there were not, when such aircraft departed from the airport of ________, nor have been since, nor now are, any more or other goods, wares, or merchandise on board than was stated in the attached manifests. (Signature and Title)
The permit to proceed and declaration must be stamped, mimeographed or printed on:
[T.D. 88-12, 53 FR 9292, Mar. 22, 1988; T.D. 00-22, 65 FR 16518, Mar. 29, 2000]