OBS_VALUE: <ul><li><a href=http://www.gesetze-im-internet.de/tkg_2021/ target=_blank>Telecommunications Act(Telekommunikationsgesetz (TKG) par. 20-30, 23 June 2021, (BGBI I p. 1858), last updated on 10 September 2021 (BGBl. I p. 4147))</a></li><li><a href=https://www.bundesnetzagentur.de/DE/Beschlusskammern/1_GZ/BK3-GZ/2013/BK3-13-0002/BK3-13-0002_Download.pdf?__blob=publicationFile&v=1 target=_blank>Decision BK3-13/002(Bundesnetzagentur, Decision BK3-13/002)</a></li></ul>