He received the ninety-fourth position on the Radical Party's electoral list in the 2003 Serbian parliamentary election.Избори за народне посланике Народне скупштине одржани 28. децембра 2003. године – ИЗБОРНЕ ЛИСТЕ (2. СРПСКА РАДИКАЛНА СТРАНКА - др ВОЈИСЛАВ ШЕШЕЉ) Republika Srbija - Republička izborna komisija, accessed 2 July 2021. The list won eighty-two mandates, and he was not initially included in the party's delegation. He was, however, awarded a mandate on 17 February 2004 as the replacement for another party member.TREĆE VANREDNO ZASEDANJE, 17.02.2004., Otvoreni Parlament, accessed 1 April 2022. (From 2000 to 2011, mandates in Serbian parliamentary elections were awarded to successful parties or coalitions rather than individual candidates, and it was common practice for the mandates to be assigned out of numerical order.Serbia's Law on the Election of Representatives (2000) stipulated that parliamentary mandates would be awarded to electoral lists (Article 80) that crossed the electoral threshold (Article 81), that mandates would be given to candidates appearing on the relevant lists (Article 83), and that the submitters of the lists were responsible for selecting their parliamentary delegations within ten days of the final results being published (Article 84). See Law on the Election of Representatives, Official Gazette of the Republic of Serbia, No. 35/2000, made available via LegislationOnline, accessed 28 February 2017. Radić's list position had no formal bearing on whether or when he received a mandate.) Although the Radicals won more seats than any other party in the 2003 election, they fell well short of a majority and ultimately served in opposition. Radić was a member of the assembly committee on trade and tourism and the committee on poverty reduction.ДЕТАЉИ О НАРОДНОМ ПОСЛАНИКУ: РАДИЋ, ЗЛАТКО, , National Assembly of the Republic of Serbia, accessed 1 April 2022.
