3. Where appropriate, and without prejudice to applicable international conventions, such measures shall include establishing the obligation of commercial carriers, including any transportation company or the owner or operator of any means of transport, to ascertain that all passengers are in possession of the travel documents required for entry into the receiving State.
3. 在适当且不影响适用的国际公约的情况下，这类措施应包括规定商业承运人，包括任何运输公司或任何运输工具的拥有人或经营人有义务查明所有旅客均持有进入接收国所需的旅行证件。