<ul><li><a href=http://likumi.lv/doc.php?id=193574 target=_blank>Postal Law(Pasta likums, adopted on 4 June 2009, with latest modifications of 13 February 2020, Chapter III)</a></li><li><a href=https://likumi.lv/ta/id/331856-visparejas-atlaujas-un-registracijas-noteikumi-pasta-nozare target=_blank>Regulations On the General Authorisation in the Postal Sector (Vispārējās atļaujas noteikumi pasta nozarē, adopted on 21 April 2022, entered into force as of 26 April 2022)</a></li></ul>