4.—(1) The notional chargeable amount for a defined hereditament for a relevant year shall be the amount found by applying the formula–
A × B
(2) For the purposes of this regulation–
(a)A is the rateable value shown for the hereditament for 1st April 2000 in the list, and
(b)B is the non-domestic rating multiplier for the relevant year.
(3) Where regulation 15 (change in rateable value: change of circumstances) applies, this regulation applies subject to the modifications made in that regulation.
(4) For a hereditament to which Schedule 1 (altered hereditaments) applies, paragraph 3 of that Schedule applies for finding the notional chargeable amount.
(5) For a hereditament to which Schedule 2 (splits and mergers) applies, paragraph 8 of that Schedule applies for finding the notional chargeable amount.
(6) For a hereditament to which Schedule 3 (splits and mergers: certified values) applies, paragraph 1 of that Schedule applies for finding the notional chargeable amount.
(7) For a hereditament to which paragraph 2(b) of Schedule 4 (former central list hereditaments) applies, this regulation applies for finding the notional chargeable amount, subject to the modifications contained in paragraph 6 of that Schedule.