15.—Section 2 of the Acquisition of Land (Assessment of Compensation) Act, 1919, shall apply in relation to—

( a ) the fixing of compensation under sections 19, 20 or 21 of this Act,

( b ) the assessing, under sections 24 or 25 of this Act, of any value,

( c ) the fixing of compensation under section 31 of this Act,

with the modification that the references in the said section 2 to the official arbitrator shall be construed as references to the Lay commissioners.