(1) With effect from the go-live date,—
(a) these regulations, and the critical contingency management plans approved under these regulations, replace the National Gas Outage Contingency Plan; and
(b) the National Gas Outage Contingency Plan ceases to have effect except in so far as it relates to events and obligations and liabilities occurring or arising before the go-live date.
(2) MPOC, VTC, and any other transmission system code must be read subject to these regulations.
(3) If both a transmission system code and these regulations impose an obligation or liability in respect of the same matter, the obligation or liability in these regulations prevails to the extent that the obligation or liability in the code is inconsistent with these regulations.