Three months after the renovation, the property management company still refused to refund the renovation deposit, saying that it would not be refunded until one year later. I want to make a complaint

Three months after the renovation, the property management company still refused to refund the renovation deposit, saying that it would not be refunded until one year later. I want to make a complaint. What department should I go to? First of all, you should ask the property company to provide the basis or written stipulation that the decoration deposit needs to be detained for one year, and then make a written complaint to the local property management department (Property Management Section of the Real Estate Administration) and the Price Bureau with written information as evidence. In addition to asking the property company to refund the decoration deposit, it can also ask the property company to pay the corresponding interest. The competent department shall punish the property company according to the relevant provisions of local property management fees (in different places).