http://www.legislation.gov.uk/id/apni/1970/18/part/XI

http://www.legislation.gov.uk/apni/1970/18/paragraph/p16

Land Registration Act (Northern Ireland) 1970

An Act to revise the law relating to the registration of the title to land; to extend the compulsory registration of the title to land; to repeal and re-enact with certain amendments the law relating to the registration of statutory charges; and for matters connected therewith.