Rule 15 Civil bill under-stamped

Where a civil bill has not been stamped or has been stamped for an amount less than that specified in any County Court Fees Order for the time being in force, [^f1 the judge or district judge as the case may be] may in such cases, and on such conditions including the payment of a penalty, if any, as he thinks fit, allow the proceedings to continue as if the civil bill had been properly stamped but, where a proceeding is allowed to continue under this Rule, the amount by which the fee was underpaid shall be paid by the party liable therefor in addition to any penalty payable by that party.