The Covenant on Civil and Political Rights states that `An alien lawfully in the territory of a state party to the present Covenant may be expelled therefrom only in pursuance of a decision reached in accordance with law'.
《公民及政治权利国际公约》指出，`对合法处于本公约缔约国领土内的外国人非经依法判定不得驱逐出境'。