/kloc-the developer will inform the owner of the existing house after 20 years. When will the property fee be paid?

17 for the existing house, the developer will inform the owner in 20 years, and the property fee will be paid from 20 years. According to relevant public information, the collection starts from the delivery date notified by the developer, that is, the delivery date of the developer. Regardless of whether the owner closes the house on schedule or not, the property fee is calculated from this day. The developer informs the owner to pay the house in 20 years, and the property fee is paid in 20 years.