There shall be levied by the Custodian fees equal to ¹[five per centum] of—
         (a) the amount of moneys paid to him;
         (b) the proceeds of the sale or transfer of any property which has been vested in him under this Act; and
         (c) the value of the residual property, if any, at the time of its transfer to the original owner or other person specified by the Central Government under section 18:
     Provided that in the case of an enemy whose property is allowed by the Custodian to be managed by some person specially authorised in that behalf, there shall be levied a fee of ²[five per centum] of the gross income of the enemy or such less fee as may be specifically fixed by the Central Government after taking into consideration the cost of direct management incurred by that Government, the cost of superior supervision and any risks that may be incurred by that Government in respect of the management:
     Provided further that the Central Government may, for reasons to be recorded in writing, reduce or remit the fees leviable under this sub-section in any special case or class of cases.
     Explanation.—In this sub-section “gross income of the enemy” means income derived out of the properties of the enemy vested in the Custodian under this Act.
     (2) The value of any property for the purpose of assessing the fees shall be the price which, in the opinion of the Central Government or of an authority empowered in this behalf by the Central Government, such property would fetch if sold in the open market.
     (3) The fees in respect of property may be levied out of any proceeds of the sale or transfer thereof or out of any income accrued therefrom or out of any other property belonging to the same enemy and vested in the Custodian under this Act.
     (4) The fees levied under this section shall be credited to the Central Government.