4. In order to facilitate the return of a victim of trafficking in persons who is without proper documentation, the State Party of which that person is a national or in which he or she had the right of permanent residence at the time of entry into the territory of the receiving State Party 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. 为便于无适当证件的人口贩运活动被害人的返还，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在进入接收缔约国领土时拥有本国永久居留权的该人签发必要的旅行证件或其他许可文件，以使其得以前往并重新入境。