When the F2Treasury have taken possession of any property under this Act, or exercised the powers conferred by this Act in relation to any rate, neither they nor F3the Public Works Loans Secretary, nor any person appointed by them in that behalf, shall be liable to account to any person interested in the equity of redemption in such property or rate for any moneys which, but for their wilful neglect or default, they or he might have received when so in possession or exercising such powers, or for any moneys other than those which have actually come to their or his hands.