You don't have to sign the real estate license, it's all made by machines. Within 90 days after delivery, the developer will inform you to apply for the real estate license at the Housing Authority. Some will drag on for a long time. According to the law, if it takes more than 90 days, you can sue the developer to pay the late payment fee in proportion. Bring the purchase contract, purchase invoice (down payment and final payment of loan 2), tax payment certificate, owner's ID card and agent's ID card when handling the real estate license. Go to the Housing Authority and wait 1 month before the house book comes down.