Any dispute arising under section 39 or 39A or regulations made under either of those sections—
A person making an order under subsection (1) shall include in the order his reasons for reaching his decision with respect to the dispute.
The practice and procedure to be followed in connection with any such determination shall be such as may be prescribed.
An order under subsection (1) shall be final and shall be enforceable—
In this section "prescribed" means prescribed by regulations made by the Authority with the consent of the Secretary of State.