“1. – (1) The compensation to be paid for any land subject to compulsory purchase to be purchased by an acquiring authority - (a) … (b) from a person who cannot be found after diligent enquiry has been made and the compensation to be paid for any permanent injury to any such land, shall e determined by the valuation of a surveyor selected from the members of the Lands Tribunal in accordance withsection 3 of the Lands Tribunal Act 1949 .”