OBS_VALUE: Computer services are not part of the set of economic activities for which access is regulated (also see https://www.bmaw.gv.at/Services/Publikationen/Liste-reglementierter-Gewerbe.html). Yet, natural and legal persons whishing to provide computer services have to declare their business activity to local authorities (Gewerbeanmeldung, also see https://www.wko.at/oe/information-consulting/unternehmensberatung-buchhaltung-informationstechnologie/it-dienstleistung/unternehmensgruendung)