(1) This regulation applies where the relevant Act provides for the amount of precepts, levies or expenses of a levying body to be borne by more than one relevant authority.
(2) Subject to paragraphs (3) and (4) below, where the relevant Act provides for the manner in which the amounts of precepts, levies or expenses are to be apportioned between the relevant authorites, the levying body shall secure that the expenses to be met by levies issued by it under these Regulations by reference to that Act are borne by the relevant authorities in accordance with that provision.
(3) Where the relevant Act provides for the amounts of precepts, levies or expenses to be borne by the relevant authorities in such proportion as those authorities may agree, the levying body shall secure that the expenses to be met by levies issued by it under these Regulations by reference to that Act are borne by the relevant authorities in that agreed proportion or, if no proportion is agreed, in the relevant proportion.
(4) Where the relevant Act provides for the amounts of precepts, levies or expenses to be borne by the relevant authorities in a proportion calculated by reference to population, or the product of a rate, a rateable value or any other factor connected with rating, the levying body shall secure that the expenses to be met by levies issued by it under these Regulations by reference to that Act are borne by the relevant authorities in the relevant proportion.
(5) For the purposes of this regulation, the relevant proportion shall be determined by reference to the relevant population for the year in respect of which the levy is issued of the area of each relevant authority or, as the case may be, the part of that area in respect of which the levy is issued.
(6) For the purposes of this regulation and regulation 7 below, the relevant population for a financial year of an area is—
(a) for the whole of an English charging authority’s area, the relevant population of the area for the year calculated by the Secretary of State under paragraph 4 of Schedule 12A to the 1988 Act ,
(b) for the whole of a Welsh charging authority’s area, the relevant population of the area for the year calculated in accordance with the rules for the time being effective (as regards the year) under regulations under paragraph 5(1) of Schedule 12A to the 1988 Act,
(c) for the whole of the area of a county, the total of the relevant population for the year, calculated as above, of the charging authority areas falling within that county,
(d) for part of a charging authority’s area, the relevant population of that part for the year calculated in accordance with the rules for the time being effective (as regards the year) under regulations under paragraph 6(2) of Schedule 12A to the 1988 Act,
(e) for part of the area of a county, the total of the relevant population for the year, calculated as above, of the charging authority areas and, where appropriate, the parts of charging authority areas, falling within that part of that county,
and regulations referred to in sub-paragraphs (b) and (d) above shall have effect for the purposes of this regulation as they have effect for the purposes of section 69 of the 1988 Act ; but with the substitution for references to that section of references to these Regulations.