There is no law, there is a 20% deposit, and the excess is the advance payment. Your hotel is too dark. The law stipulates a maximum deposit of 20%. Even if both parties must pay 35% in advance, only 20% is the down payment, and the excess is the down payment. There is no law. There may be some laws and regulations in some places, depending on your city. If there is no provision in the early repayment law, it shall be agreed by both parties through consultation, and the maximum amount shall not exceed 20%. If the contract is terminated, the advance payment will be refunded.