244.—(1) Two or more planning authorities may, by resolution, make and carry out an agreement for sharing the cost of performing all or any of their functions under this Act and, where an agreement has been made under this subsection, the planning authorities concerned may, by resolution, terminate it at any time if they so agree.

(2) Where a planning authority proposes to perform in its functional area a function under this Act at the request of or wholly or partially in the interests of the area of another planning authority (being a planning authority whose area is contiguous with the area of the first-mentioned planning authority), the other planning authority shall defray the cost of the performance of the function to such extent as may be agreed upon between the authorities or, in default of agreement, as may be determined by the Minister.