Dein Suchergebnis zum Thema: have

Recognition and admission of professional training in social care completed abroad (granting of business license) – application

https://www.wien.gv.at/english/e-government/health/health-law/recognition/professional-training-social-care.html

Social care professionals trained abroad need to undergo supplementary training if the content and quantity of their training is not equivalent in all fields to the Austrian standard.
skills and knowledge required to exercise the social care profession in Austria have

Local tax – temporary stays at lodgings

https://www.wien.gv.at/english/e-government/financial/tax/local-tax.html

Local tax must be paid for temporary stays at lodgings (e.g. hotel, inn, bed & breakfast, hostel, holiday house or flat, guest room, apartment, private room, flat, extra bed in a flat, camping sites, caravan, mobile home or comparable sites, and tents on such sites, other types of lodgings)
You have to submit this declaration online via the VIETour web application (see above