http://www.legislation.gov.uk/nisr/2000/342/contents/made
The New Valuation List (Time and Class of Hereditaments) Order (Northern Ireland) 2000
Valuation
Government Printer for Northern Ireland
2016-06-02
RATES
This Order:—specifies 1st April 2001 as the time by reference to which net annual values are to be ascertained for the purposes of a new valuation list coming into force on 1st April 2003; andspecifies hereditaments other than dwelling-houses, private garages and private storage premises as the class of hereditaments to be revalued.