The common land borders, including river and lake borders, of the Member States of the EU; the airports of the Member States for internal flights; sea, river and lake ports of the Member States for regular internal ferry connections.

• Regulation (EU) 2016/399 of the European Parliament and of the Council of 9 March 2016 on a Union Code on the rules governing the movement of persons across borders (Schengen Borders Code)
  Place of publication: (Dz. Urz. UE L 77 z 23.03.2016, str. 1, z późn. zm.)