The requirement for demand notices
2.—(1) For each chargeable period a relevant billing authority shall, in accordance with paragraphs 3 to 6, serve a notice in writing on every person who is liable for the BRS-BID levy in relation to the BRS-BID arrangements for the period.
(2) Different demand notices shall be served for different chargeable periods.
(3) A demand notice shall be served with respect to the amount payable for every hereditament as regards which a person is liable for the BRS-BID levy, though a single notice may relate to the amount payable with respect to more than one such hereditament.
(4) If a single demand notice relates to the amount payable with respect to more than one hereditament the amounts due under it, and the times at which they fall due, shall be determined as if separate notices were issued in respect of each hereditament.