4. In order to facilitate the return of a person who has been the object of conduct set forth in article 6 of this Protocol and is without proper documentation, the State Party of which that person is a national or in which he or she has the right of permanent residence shall agree to issue, at the request of the receiving State Party, such travel documents or other authorization as may be necessary to enable the person to travel to and re-enter its territory.
4. 为便于已成为本议定书第6条所列行为的对象并且无适当证件的人返还，缔约国应根据接收缔约国提出的请求，同意向身为本国国民或拥有本国永久居留权的这类人签发必要的旅行证件或其他许可文件，以使其得以前往和重新入境。