Kuwait Court of Cassation principle number 3656

Commercial debts. The general rule is that default interest becomes payable on them as soon as they fall due. Its condition. Their subject matter must be a monetary sum of a known amount at their inception. Failure to meet this requirement. Its effect. Interest accrues from the date of the final judgment. - The subject matter of an obligation of a known amount at its inception. Its nature. An example of carriage charges specified and of a known amount at their inception.