Subject to the following provisions of this section, in these provisions " the appropriate enactment", in relation to land falling within any of the specified descriptions, means the enactment which provides for the compulsory acquisition of land as being land falling within that description or, as respects the description contained in paragraph (g) of section 192(1) of this Act, the enactment under which the compulsory purchase order referred to in that paragraph was made.
In relation to land falling within the description contained in section 192(1)(b) of this Act an enactment shall, for the purposes of subsection (1) of this section be taken to be an enactment which provides for the compulsory acquisition of land as being land falling within that description if—
Where, in accordance with the circumstances by virtue of which any land falls within any of the specified descriptions, it is indicated that the land is proposed to be acquired for highway purposes, any enactment under which a highway authority are or (subject to the fulfilment of the relevant conditions) could be authorised to acquire that land compulsorily for highway purposes shall, for the purposes of subsection (1) of this section, be taken to be an enactment providing for the compulsory acquisition of that land as being land falling within the description in question.
In subsection (3) of this section the reference to the fulfilment of the relevant conditions is a reference to such one or more of the following as are applicable to the circumstances in question, that is to say—
If, apart from this subsection, two or more enactments would be the appropriate enactment in relation to any land for the purposes of these provisions/the appropriate enactment for those purposes shall be taken to be that one of those enactments under which, in the circumstances in question, it is most likely that (apart from these provisions) the land would have been acquired by the appropriate authority.
If any question arises as to which enactment is the appropriate enactment in relation to any land for the purposes of these provisions, that question shall be referred—
and the decision of the Minister, Secretary of State or Board to whom a question is referred under this subsection shall be final.