For all kinds of works and transactions related to the incentive certificate, the users apply to the Ministry of Industry and Technology Incentive Application and Foreign Capital Directorate through E-TUYS. Only those who have a qualified electronic certificate and whose authorization application request has been approved by the Ministry can access the system to carry out investment incentives via E-TUYS. For this reason, investors must apply to the Ministry of Industry and Technology General Directorate of Incentive Implementation and Foreign Capital to perform the authorization process in the first place.