<ul><li><a href=https://www.ris.bka.gv.at/GeltendeFassung.wxe?Abfrage=Bundesnormen&Gesetzesnummer=20010625 target=_blank>Federal Law on Civil Engineers(Ziviltechnikergesetz 2019 - ZTG. 24 April 2019, BGBl. I Nr. 29/2019. Last updated on 17 July 2022 (BGBl. I Nr. 113/2022), par. 9)</a></li><li><a href=https://ec.europa.eu/growth/tools-databases/regprof/ target=_blank>EU website on regulated professions</a></li></ul>