Prescribed senior official is the term used by the Canada Border Services Agency to refer to an individual who will be refused admission into Canada by virtue of their past or current service in or for a government responsible for war crimes or crimes against humanity
[1] According to the immigration service enforcement manual, ENF 18: War Crimes and Crimes against Humanity, "If it can be demonstrated that the position is in the top half of the organization, the position can be considered senior"The manual was quoted in the case of Younis v. Canada (Citizenship and Immigration), 2010 FC 1157.
[1] The "top half indicator" has been cited in a number of cases, including:[1] Personal lack of culpability was determined as not relevant to the matter of inadmissibility under paragraph 19(1)(l) of the former Canadian Immigration Act (R.S.C.
[2] Paragraph 35(1)(b) is not concerned with complicity in prohibited acts but with whether a position held is senior.
[1] The Crimes against Humanity and War Crimes Act incorporates Canada's obligations as a signatory of the Rome Statute of the International Criminal Court into Canadian law (Canada was the first signatory to ratify it).