Both points must be included in the construction contract, construction companies or general contractors "often forget" this. In our construction contract, there was a 5% security retention and a 3% warranty retention. The following procedure was followed during the construction phase: 5% was withheld from each invoice by us; after the completion inspection at the end, carried out by us and our construction supervisor from the Homeowners Protection Association, a final statement with the last installment and the cumulative 5% deductions was presented. From this, we withheld and paid the 3% warranty retention. For the 3%, we were offered insurance which we accepted (if the construction company goes bankrupt, you are out of luck, but insurance remains). After receiving the insurance policy and in consultation with the Homeowners Protection Association, we paid the last 3%, which was then 6 weeks after moving in. Regards, Nida