Section 37(1) of the Electricity Act 1989 (c. 29) (which requires the consent of the Secretary of State to overhead lines) shall not apply in relation to any electric line which—
is installed above land within the limits of deviation for the scheduled works or within the limits of land to be acquired or used.
Schedule 4 (which makes alternative provision for consent in relation to lines to which subsection (1) applies) has effect.
On the revocation or expiry of consent under Schedule 4, the line to which the consent relates shall cease to be a line to which subsection (1) applies.
On granting consent under Schedule 4 to electricity undertakers, the appropriate Ministers may direct that planning permission shall be deemed to be granted for the carrying out of development to which the consent relates, and any ancillary development, subject to such conditions (if any) as may be specified in the direction.
In subsection (4)—