(1)In considering how they should carry out their functions under sections 139 and 140, a local transport authority must have regard to a combination of economy, efficiency and effectiveness.
(2)In carrying out those functions, local transport authorities—
(a)must not act in such a way as to discriminate (whether directly or indirectly) against any operator, or class of operator, of local services, and
(b)must co-operate with one another.
(3)A local transport authority must have regard to the desirability, in appropriate cases, of carrying out those functions jointly with another authority (whether as respects the whole or any part of their combined area).