<ul><li><a href=https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=uriserv:OJ.L_.2021.137.01.0001.01.ENG target=_blank>Commission Delegated Regulation (EU) 2021/654(Commission Delegated Regulation (EU) 2021/654 supplementing Directive (EU) 2018/1972 of the European Parliament and of the Council by setting a single maximum Union-wide mobile voice termination rate and a single maximum Union-wide fixed voice termination rate, OJ L 137, p. 1–9, adopted on 18 December 2020, Article 1(3))</a></li><li><a href=https://www.boe.es/buscar/act.php?id=BOE-A-2022-10757 target=_blank>General Telecommunications Law(Ley 11/2022, de 28 de junio, General de Telecomunicaciones, adopted on 30/06/2022, Article 14)</a></li><li><a href=https://www.boe.es/buscar/doc.php?id=BOE-A-2005-6970 target=_blank>Decree on conditions for the provision of services electronic communications, universal service and consumer protection(Real Decreto 424/2005, de 15 de abril, por elque se aprueba el Reglamento sobre las condicionespara la prestación de servicios decomunicaciones electrónicas, el servicio universaly la protección de los usuarios, Chapter II of Title III, adopted on 29 April 2005, last amended on 24 May 2011)</a></li></ul>