(1) The Board shall cause accounts to be kept of all money received and expended by it.
(2) The accounts shall be audited every year by auditors appointed in this behalf by the Central Government and such auditors shall disallow every item, which in their opinion is not authorized by this Act or any rule made or direction issued thereunder.
(3) The Board may, within three months from the date of communication to it of the disallowance of any item, as aforesaid appeal against such disallowance to the Central Government whose decision shall be final.