<ul><li><a href=http://www.gesetze-im-internet.de/postg_1998/ target=_blank>Postal Law(Postgesetz PostG par. 18a, 22 December 1997 (BGBl. I p. 3294), last updated on 9 March 2021 (BGBl. I p. 324) )</a></li></ul>