A street authority or district council may enter into an agreement with an undertaker for the execution by the authority or council on behalf of the undertaker of any street works.

The agreement may contain such terms as to payment and otherwise as the parties consider appropriate.

Nothing in this section shall be construed as derogating from any powers exercisable by the authority or council apart from this section.

This section shall cease to have effect upon such day as the Secretary of State may appoint by order made by statutory instrument which shall be subject to annulment in pursuance of a resolution of either House of Parliament.