<ul><li><a href=https://www.slov-lex.sk/pravne-predpisy/SK/ZZ/2021/452/20220201 target=_blank>Act on Electronic Communications(Zákon o elektronických komunikáciách, Act No. 452/2021 Coll., last update on 1 February 2022, § 4 (5), 4, 62)</a></li><li><a href=https://www.teleoff.gov.sk/regulacia-relevantnych-trhov/ target=_blank>Office for the Regulation of Electronic Communications and Postal Services: Regulation of relevant markets(Rozhodnutie 57/OER/2016/2023, Relevant market 4, 7 November 2016)</a></li></ul>