544. Where right of set-off available.

Sums due from the bankrupt to another party may not be included in the account taken1 if that other party had notice at the time they became due that proceedings on a bankruptcy application relating to the bankrupt were ongoing or that a bankruptcy petition relating to the bankrupt was pending2. The benefit3 of the statutory right of set-off4 is, therefore, not allowed to any person to the extent that he gave credit to the debtor with knowledge that a bankruptcy petition had been presented, nor is the right available to a creditor who has given an undertaking not