Who prosecutes election-related criminal offences?

Austria
Answer
Public prosecutor Police
Source
Criminalprocedure act 1975 (StF: BGBl No 631/1975 (WV)
last amended 2013 Gazette I No. 116/2013 Republic of Austria http://www.ris.bka.gv.at/GeltendeFassung.wxe?Abfrage=Bundesnormen&Gesetzesnummer=10002326&FassungVom=2013-08-27