7- 15 working days. According to the provisions of Article 585 of the General Principles of Civil Law of People's Republic of China (PRC), the parties may agree that when one party breaches the contract, it shall pay a certain amount of liquidated damages to the other party according to the situation of breach of contract, and may also agree on the calculation method of the amount of damages for breach of contract. If the agreed liquidated damages are lower than the losses caused, the people's court or arbitration institution may increase the liquidated damages at the request of the parties. If the liquidated damages are excessively higher than the losses caused, the people's court or arbitration institution may appropriately reduce them at the request of the parties. If the parties concerned pay liquidated damages for delayed performance, the breaching party shall also perform the debt after paying the liquidated damages.