4.—(1) This section applies to a children’s authority for the purposes of exercising any functions in accordance with arrangements under section 2.
(2) For those purposes, a children’s authority may—
(a)provide staff, goods, services, accommodation or other resources to another children’s authority;
(b)make contributions to a fund out of which relevant payments may be made.
(3) A “relevant payment” is a payment in respect of expenditure incurred, by a children’s authority contributing to the fund, in the exercise of its functions.