The Aliens (Landing Conditions) Instrument, 1950
Whereas certain aliens (hereinafter referred to as "the first class of alien") were granted leave to land in the United Kingdom and there was attached to the grant of that leave the condition that they should register at once with the police, should enter such employment as might be specified by the Ministry of Labour and National Service and should not leave that employment without the consent of that Ministry, but there was not attached as aforesaid any condition limiting the period during ...