How to calculate the previous property contract when the delivery time of the community is different?

The delivery time of residential quarters is different from the previous property contract, and the property fee will be paid from the next month according to the property service contract. The collection time of property fees shall be implemented in accordance with the agreement in the contract between the two parties. According to the relevant public information, according to the agreement of the property service contract, the property fee should be paid from the month after delivery. The collection time of property fees shall be implemented in accordance with the agreement in the contract between the two parties. Generally speaking, the property service fee is paid on a monthly basis, and the developer pays it before the delivery, and the buyer pays it the next month after the actual delivery.