State immunity — Jurisdictional immunity — General rule that foreign State immune unless exception to immunity applicable — Canada State Immunity Act 1985, Sections 3, 4 and 6 — Waiver — State initiating proceedings in Canadian courts — State requesting extradition not waiving immunity in respect of civil proceedings connected to the extradition — Personal injury exception — Whether applicable to acts jure imperii — Whether applicable to non-physical injury — Whether immunity displaced by peremptory norm of international law — The law of Canada