<ul><li><a href=http://eur-lex.europa.eu/legal-content/EN/TXT/?uri=uriserv:OJ.L_.2014.257.01.0073.01.ENG target=_blank>Regulation 910/2014 on electronic identification and trust services for electronic transactions in the internal market(Regulation (EU) No 910/2014 of the European Parliament and of the Council  on electronic identification and trust services for electronic transactions in the internal market and repealing Directive 1999/93/EC,OJ L 257, p. 73–114, adopted on 23 July 2014, last amended on 17 September 2014, Article 25(2))</a></li><li><a href=https://www.boe.es/eli/es/l/2020/11/11/6/con target=_blank>Law 6/2020 on certain aspects of trusted electronic services(Ley 6/2020, de 11 de noviembre, reguladora de determinados aspectos de los servicios electrónicos de confianza. Art. 6(1)a.)</a></li></ul>