2. In implementing the provision contained in paragraph 1 of this article, each State Party shall give appropriate consideration to humanitarian and compassionate factors. Article 8. Repatriation of victims of trafficking in persons 1. The State Party of which a victim of trafficking in persons is a national or in which the person had the right of permanent residence at the time of entry into the territory of the receiving State Party shall facilitate and accept, with due regard for the safety of that person, the return of that person without undue or unreasonable delay. 2. When a State Party returns a victim of trafficking in persons to a State Party of which that person is a national or in which he or she had, at the time of entry into the territory of the receiving State Party, the right of permanent residence, such return shall be with due regard for the safety of that person and for the status of any legal proceedings related to the fact that the person is a victim of trafficking and shall preferably be voluntary. 3. At the request of a receiving State Party, a requested State Party shall, without undue or unreasonable delay, verify whether a person who is a victim of trafficking in persons is its national or had the right of permanent residence in its territory at the time of entry into the territory of the receiving State Party. 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. 5. This article shall be without prejudice to any right afforded to victims of trafficking in persons by any domestic law of the receiving State Party. 6. This article shall be without prejudice to any applicable bilateral or multilateral agreement or arrangement that governs, in whole or in part, the return of victims of trafficking in persons. III. Prevention, cooperation and other measures Article 9. Prevention of trafficking in persons 1. States Parties shall establish comprehensive policies, programmes and other measures: 45