(a) Cargo documents. The holder of a permit for cargo operations shall issue a manifest or shipping document to its shipper with respect to each shipment.

(b) [Reserved]

(c) Contents of documents for passenger flights. The holder of a permit for passenger charters originating or terminating in the United States shall require each charterer to file with it prior to flight a list of names and addresses of all passengers to be transported on each flight.

(d) Reports of unused authority. All foreign operators of occasional planeload charters for which authority is granted must notify the Department, in writing, not later than 15 days after the expiration of their permits, or their failure to use this authority. The unused authority shall otherwise be deemed to have been exercised.