Links

Austrian Chamber of Accountants and Tax Advisors: www.kwt.or.at

Austrian Ministry of Finance: https://www.bmf.gv.at/

(Austrian) forms: https://www.bmf.gv.at/service/formulare/_start.htm

Austrian Federal Legal Informations System: http://www.ris.bka.gv.at/

Verification of foreign VAT numbers :
http://ec.europa.eu/taxation_customs/vies/

Church Tax Calculator: http://www.kirchenbeitrag.at/beitragsberechnung/0