<ul><li><a href=https://www.riigiteataja.ee/en/eli/ee/521032019015/consolide/current target=_blank>Professions Act(Kutseseadus, RT I 2008 24 156, adopted on 22 May 2008, last amended on 15 March 2019, §§ 10, 18(1))</a></li><li><a href=https://www.kutseregister.ee/ctrl/et/KAO/vaata/10086631 target=_blank>Estonian Qualifications Authority, Awarding Bodies: Estonian Association of Civil Engineers(Kutse Andmise Kord Üldehituse, Keskkonnatehnika, Tehnosüsteemide Ja Ehitusautomaatika Inseneride Kutsetele (Professional Council of Architecture, Geomatics, Construction and Real Estate decision No. 18), adopted on 29 November 2018, last amended on 17 June 2021, Section 8.3)</a></li></ul>