1. No State Party shall expel, return (“refouler”) or extradite a person to another State where
there are substantial grounds for believing that he would be in danger of being subjected to
2. For the purpose of determining whether there are such grounds, the competent authorities shall
take into account all relevant considerations including, where applicable, the existence in the
State concerned of a consistent pattern of gross, flagrant or mass violations of
human rights.
Convention against Torture and Other Cruel, Inhuman or Degrading Treatment or Punishment (1984): https://www.ohchr.org/Documents/ProfessionalInterest/cat.pdf