(1) For the purposes of paragraph 4(2)(a) of Schedule 4ZA to the Act (occupied hereditaments: chargeable amount), the conditions to be satisfied are that on the chargeable day concerned—
(a) A, in relation to the hereditament, is not more than £15,000, and
(b) the ratepayer occupies only one hereditament in England.
(2) In determining whether the ratepayer occupies only one hereditament in England (“hereditament A”), the ratepayer’s occupation of any other hereditament in England (“hereditament B”) is disregarded where the conditions in either paragraph (3) or (4) are satisfied.
(3) The conditions are that—
(a) the ratepayer’s occupation of hereditament B started on a date after that ratepayer started to occupy hereditament A, and
(b) on the chargeable day concerned—
(i) the ratepayer has occupied hereditament B for a period not exceeding 12 months, and
(ii) the chargeable amount as regards hereditament B is not calculated in accordance with paragraph 4(1)(a) of Schedule 4ZA to the Act .
(4) The conditions are that on the chargeable day concerned—
(a) A, in relation to hereditament B, is not more than £2,899,
(b) the aggregate value of all the hereditaments the ratepayer occupies in England (but excluding any hereditament B that falls within paragraph (3)) is not more than—
(i) where hereditament A is situated in Greater London, £27,999;
(ii) where hereditament A is situated outside Greater London, £19,999, and
(c) the chargeable amount as regards hereditament B is not calculated in accordance with paragraph 4(1)(a) of Schedule 4ZA to the Act.