13.—(1) The Treasury shall pay the amount of any compensation determined by the valuer to be payable—
(a)to any person; or
(b)in respect of a class or description of shares or rights.
(2) The Treasury shall not be required to make a payment in accordance with sub-paragraph (1) until—
(a)they have received a copy of the assessment notice or revised assessment notice, as the case may be; or
(b)if there is a reference to the Tribunal, the matter has been finally disposed of.