<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://www.sam.gov.lv/en/postal-sector-0 target=_blank>Description of postal services sector in Latvia(Jomas raksturojums)</a></li><li><a href=https://www.sprk.gov.lv/sites/default/files/editor/ESPD/Faili/Pasts/PASTA%20KOMERSANTI.pdf target=_blank>List of registered postal services suppliers(Reģistrētie pasta komersanti Informācija atjaunota 06.06.2019)</a></li></ul>