http://www.legislation.gov.uk/apni/1964/36/section/29Business Tenancies Act (Northern Ireland) 1964An Act to provide security of tenure for certain tenants occupying premises for business, professional or certain other purposes by enabling them to obtain new tenancies in certain cases or in certain circumstances to obtain compensation; to make provision for the payment of compensation in respect of certain improvements to such premises; and for purposes connected therewith.texttext/xmlenStatute Law Database2013-02-182009-10-01 PART I29In this Part—“agricultural land” has the meaning assigned to it by section 43(1) of the Agriculture Act (Northern Ireland) 1949 ;“business” has the meaning assigned to it by section 1(2);“current tenancy” has the meaning assigned to it by section 5(1);“date of termination” has the meaning assigned to it by section 4(1);“the holding” has, subject to section 13(2), the meaning assigned to it by section 1(3);“notice to quit” has the meaning assigned to it by section 3(3);“notice to determine” has the meaning assigned to it by section 3(3);“premises” includes land and buildings;Definitions rep. by 1978 NI 20“tenancy” includes a tenancy created or renewed in pursuance of any enactment (including this Act), but does not include a tenancy at will, howsoever arising, or a tenancy at sufferance, or any mortgage term or any estate arising in favour of a mortgagor solely by reason of his attorning tenant to his mortgagee;“term certain” in relation to a tenancy means any definite period of certain duration whether or not the tenancy is renewable for further such periods.1949 c.2