In the 2011 elections Šircelj became a member of the National Assembly, where he chaired the Committee on Finance and Monetary Policy. He was re-elected as deputy to the National Assembly in the early 2014 elections. During his two terms of office as deputy, he worked in the fields of finance and taxes, chaired the Commission for Public Finance Control and was a member of the Constitutional Commission and the Committee on Foreign Policy.[5]
Also during his time in parliament, Šircelj served as president of the board of Slovenia’s Bank Asset Management Company (BAMC), a bad bank which bought up non-performing loans from the country’s largely state-owned banks in 2013 and 2014 to get them off their books.[7]