540. Proof for interest.

Where a bankruptcy debt bears interest, that interest is provable as part of the debt, except in so far as it is payable in respect of any period after the commencement of the bankruptcy1.

In the following circumstances the creditor's claim may include interest on the debt at the prescribed rate2 for periods before the bankruptcy order, although not previously reserved or agreed3. If the debt is due by virtue of a written instrument, and payable at a certain time, interest may be claimed for the period from that time to the date of the bankruptcy order4. If the debt