<ul><li><a href=https://eur-lex.europa.eu/legal-content/en/TXT/?uri=CELEX%3A32018L1972 target=_blank>Directive (EU) 2018/1972 establishing the European Electronic Communications Code(Directive (EU) 2018/1972 of the European Parliament and of the Council of 11 December 2018 establishing the European Electronic Communications Code, OJ L 321, p. 36–214, adopted on 11 December 2018, Article 31)</a></li></ul>