Where any money is owing by a trading company within the meaning of Part 6 of the National Expenditure Adjustment Act 1932 (whether on account of goods supplied or services rendered or otherwise), and under any contract or agreement, written or verbal, express or implied, that money bears interest until repayment at an agreed rate, the money shall be deemed for the purposes of the said Part 6 to have been borrowed by the company under a contract of deposit on the date on which it commenced to bear interest or on the date of the passing of this Act (whichever date is the later), unless—