Before the renovation, the property required to install four windows on the balcony, but I only installed three windows with the same width as the four windows, but the property did not refund the ren

Before the renovation, the property required to install four windows on the balcony, but I only installed three windows with the same width as the four windows, but the property did not refund the renovation deposit on this grounds. What should I do? 1. What is the basis of the property requirement for four windows? Have you signed any relevant agreements? If there is a decoration specification agreement, it shall be implemented according to the agreement.

2. if there is no agreement, go to the industry Committee to check the owners' convention, which should have relevant provisions on decoration.

3. If there is no basis, it is just the "rules" that the property owner thinks, that is, hooligans.

4. You can complain to the property office of the street office or to the property office of the housing management office. Or directly sue the property.