The integrated customs area forms part of the EurAsEC and is managed by the regulatory bodies of the EurAsEC. The decisions of the CU Commission were legally binding and effective in domestic law without the need for adoption of a special legislation. Among the principal areas under the competency of the CU are the classification of goods for foreign economic activity, import tariffs (changes in import customs duty rates, setting import tariff exemptions and tariff quotas, the system of tariff preferences, etc.), In the area of non-tariff regulation, the CU co-ordinates export and import licensing, develops common technical regulations, sanitary and phytosanitary regulations, and standards and conformity assessment systems.