Subsection (2) shall have effect where the grounds of objection specified in a counter-notice served under section 151 consist of or include the grounds mentioned in paragraph (b) or (d) of subsection (4) of that section and either—
If—
any power conferred by that order or, as the case may be, by special enactment for the compulsory acquisition of the interest of the claimant in the hereditament or agricultural unit or any part of it shall cease to have effect.
Subsection (4) shall have effect where the grounds of objection specified in a counter-notice under section 151 consist of or include the grounds mentioned in paragraph (c) of subsection (4) of that section and either—
and in subsection (4) any reference to "the part of the hereditament or affected area not required" is a reference to the whole of that hereditament or area except the part specified in the counter-notice as being the part which the appropriate authority propose to acquire as mentioned in the counter-notice.
If—
any power conferred by that order or, as the case may be, by the special enactment for the compulsory acquisition of the interest of the claimant in any land comprised in the part of the hereditament or affected area not required shall cease to have effect.