The scientific problem discussed in the publication is the determination of what types of control activities may be undertaken by tax administration authorities on the basis of the regulations of the Act of November 16, 2016 on the National Revenue Administration and the assessment of the importance of these controls from the point of view of the economic security of the state. The paper uses the formal-dogmatic method, it is the main method used in legal sciences. In the field of security sciences, a critical analysis of the literature was used. The Customs and Fiscal Service was established on 1 March 2017. By creating the Customs and Fiscal Service, it was granted the powers previously belonging to the Customs Service and fiscal control authorities, and additional powers were also granted. The provisions of the Act on National Revenue Administration are primarily aimed at counteracting tax crime. When analyzing the issue of state security from the point of view of legal regulations belonging to branches of tax law, economic security comes to the fore. Economic security will be threatened when there is a decrease in revenues to the state budget or to the budgets of local government units, caused by illegal activities. Violation of tax law may be a criminal activity. The instruments provided for in the Act on National Revenue Administration include, in addition to the control of compliance by taxpayers, also types of controls that are carried out before granting the taxpayer selected rights. First of all, these controls are aimed at verifying the current degree of compliance with the regulations, as well as determining the fulfillment of the conditions prescribed by law, before the taxpayer is granted a specific preference or status to which the rights will be attached. The Act on National Revenue Administration provides for: customs and fiscal control, audit, audit activities, official verification and control of excise goods intended for special purposes, and assessment of the use of budget funds and state property intended for special purposes.