Job Recruitment Website - Property management - Do the payment notice and receipt of the property count as liquidated damages?

Do the payment notice and receipt of the property count as liquidated damages?

The payment notice and receipt of the property are default fees.

Starting from the time on the delivery notice notified by the developer in writing. If the house cannot be delivered on schedule due to the owner's reasons, the property service fee shall be calculated from the time on the delivery notice; If the house cannot be delivered on time due to the developer's reasons, the property service fee shall be calculated from the time of formal delivery, and the property fee generated between them shall be paid by the developer.