<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>EU Commission Delegated Regulation (EU) 2021/654  setting single maximum Union-wide voice termination rates(Commission Delegated Regulation (EU) 2021/654 of 18 December 2020 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, 18.12.2020)</a></li><li><a href=https://bip.uke.gov.pl/przeglad-rynkow/ target=_blank>Decision of the Office of  Electronic Communications(Decyzja, Market 16(7), DART-SMP-6040-XXXX , 17 December 2012)</a></li><li><a href=https://bip.uke.gov.pl/decyzje/decyzje-smp/decyzje-dotyczace-rynku-ftr,4.html target=_blank>Decision of the Office of  Electronic Communications(Decyzje dotyczące rynku FTR, 12 December 2019)</a></li></ul>