In late 2012, Dulić was charged by Organized Crime Prosecution of Serbia with abuse of office, on suspicion that he allowed an optic cable company Nuba Invest from Slovenia, owned by Rasto Tomažič to illegally obtain financial gain. The National Assembly of Serbia voted to lift his MP immunity that protected him from arrest and prosecution.
Dulić was brought up on charges in late 2012 by the Organized Crime Prosecution of Serbia for abusing his position, allegedly allowing a Slovenian optic cable firm Nuba Invest, owned by Rasto Tomažič, to reap financial benefits unlawfully. The National Assembly of Serbia subsequently voted to revoke his MP immunity, rendering him susceptible to arrest and prosecution.