<ul><li><a href=http://www.gesetze-im-internet.de/postg_1998/ target=_blank>Postal Law(Postgesetz PostG par. 2 and par. 4 and par. 51, 22 December 1997 (BGBl. I p. 3294), last updated on 9 March 2021 (BGBl. I p. 324) )</a></li><li><a href=https://www.gesetze-im-internet.de/gg/ target=_blank>Basic Law for the Federal Republic of Germany(Grundgesetz für die Bundesrepublik Deutschland par. 87f, last updated on 28 June 2022 (BGBl. I p. 968))</a></li></ul>