6.—(1) The constituent councils must meet any reasonably incurred costs of the Combined Authority, other than the costs mentioned in paragraph (2), to the extent that the Combined Authority has not decided to meet these costs from other resources available to the Combined Authority.
(2) Subject to paragraph (4), the constituent councils must meet the costs of the expenditure reasonably attributable to the exercise of the function specified in article 12(1), to the extent that the Mayor has not decided to meet these costs from other resources available to the Combined Authority.
(3) Any amount payable by each of the constituent councils to ensure that the costs of the Combined Authority referred to in paragraphs (1) and (2) are met is to be determined by apportioning such costs between the constituent councils in such proportions as they may agree or, in default of such agreement, in equal proportions.
(4) In relation to the expenditure mentioned in paragraph (2)—
(a)to the extent to which such expenditure is met by amounts payable under arrangements made under paragraph (3)—
(i)the Mayor must agree with the Combined Authority the total expenditure mentioned in paragraph (2) in advance of incurring this expenditure; and
(ii)in the absence of the agreement specified in paragraph (i), no such expenditure may be incurred; and
(b)any precept issued in relation to such expenditure under section 40 of the Local Government Finance Act 1992 (issue of precepts by major precepting authorities)(1) is to be disregarded in any calculation of the costs of that expenditure.
1992 c. 14. Section 40 was amended by section 83 of the Greater London Authority Act 1999, section 79 of and paragraph 7 of Schedule 17 to the 2011 Act and section 5 of the 2016 Act.