2008 to 2019, when he became one of three national public advocates (Volksanwalt). Before that, he was parliamentary group leader of the FPÖ in the National
Einigung. 23 December 2014, retrieved 23 December 2014. diepresse.com – Volksanwalt prüft Einsparungen bei Militärmusik. APA-Meldung 4 February 2015, retrieved
provincial council between 1999 and 2001. On 1 July 2001, he became a Volksanwalt (ombudsman) at the Federal level, responsible for commerce and advertising
might be independent MP Ewald Stadler, who left the FPÖ and was formerly Volksanwalt. On 30 July 2008 Petzner stated he could "neither confirm nor deny" reports