(1) At the time of an entry, survey or measurement or doing of any of the things under section 14, the officer making the entry, survey or measurement or doing any other thing shall pay or tender to any person entitled compensation for all necessary damage done as a result of such entry, survey, measurement or execution of the work, including the cutting of standing crops, trees, or removal of temporary structures, if any, on the land. If the sufficiency of the amount so paid or tendered is disputed, the officer concerned shall at once refer the dispute to the Highway Authority and the said Authority shall with the least practicable delay decide the dispute and pay to the person entitled the amount determined as compensation. The decision of the Highway Authority shall be final.
(2) If at the time of taking possession of the land under section 19 there are any standing crops, trees or temporary structures on the land, the Highway Authority shall pay or tender to the person entitled the amount of compensation for such standing crops, trees or temporary structures. If the sufficiency of such amount is disputed, the value of such crops, trees and temporary structures shall be taken into consideration in determining the amount of compensation for the land under [section 19B].