We may without prejudice to its right to effect recovery by any other method, deduct the amount of penalty set forth in this Article 8.4.4, from any money belonging to Contractor in its hands (which includes PTT TANK's right to claim such amount against Contractor's performance security) or which may become due to Contractor. Any such recovery of penalty or remedy enacted by PTT TANK shall not relieve Contractor from any other of his obligations/liabilities under the Contract.