xmlns:atom="http://www.w3.org/2005/Atom" xmlns:atom="http://www.w3.org/2005/Atom"
First Schedule rep. by 1951 c.13 (NI)
Second Schedule rep. by 1951 c.13 (NI); 1977 NI 8
Third Schedule rep. by 1981 NI 3
Fourth, Fifth and Sixth Schedules rep. by 1951 c.13 (NI)