15(1)The HRA may arrange with a devolved authority for the HRA—
(a)to exercise on behalf of the devolved authority any function which corresponds to a function of the HRA;
(b)to provide services or facilities in so far as the devolved authority requires them in connection with the exercise of such a function.
(2)The terms and conditions on which arrangements under this paragraph may be made include provision for payment to the HRA in respect of its costs in giving effect to the arrangements.