OBS_VALUE: Customs Autority of the Financial Directorate has published a list of companies registered for electonic communication: http://www.colnasprava.sk/wps/PA_1_0_9D/OpenFile/EKR_2010_02_08.pdf?docID=Wxayfg3T5A0cZLf313JOg0KLb6sRegulation (EU) 2022/2399 establishes the European Union Single Window Environment for Customs. Under the Regulation, Member States are required to establish and operate national single window environments for customs. Note that some provisions of the Regulation, notably Article 8(3), point (a) and Article 11, will apply from 13 December 2031. 