traditional common rule or practice that has become an intrinsic part of the accepted and expected conduct in a community, profession, or trade and is treated as a legal requirement
Whereas human rights within the meaning of this Regulation should be considered to encompass respect for international humanitarian law, also taking into account the 1949 Geneva Conventions and the 1977 Additional Protocol thereto, the 1951 Geneva Convention relating to the Status of Refugees, the 1948 Convention on the Prevention and Punishment of the Crime of Genocide and other acts of international treaty or customary law.