Parliamentarian

Serbia's electoral system was reformed in 2011, such that all mandates were awarded to candidates on successful lists in numerical order. Tomić received the fifty-fourth position on the Progressive Party's Let's Get Serbia Moving list in the 2012 Serbian parliamentary election and was elected when the list won a plurality victory with seventy-three out of 250 mandates.^[16] The Progressives formed a coalition government with the Socialist Party of Serbia (SPS) and other parties after the election, and Tomić served in the assembly as a government supporter. In her first term, she was the chair of the committee for the economy, regional development, trade, tourism, and energy; a member of the committee for environmental protection; a deputy member of the committee for European integration; the leader of Serbia's parliamentary friendship groups with Egypt and Indonesia; and a member of the friendship groups with Armenia, Austria, Brazil, China, Germany, Slovakia, Slovenia, South Africa, Tunisia, and Venezuela.^[17]

She was promoted to the ninth position on the SNS-led list in the 2014 parliamentary election. This was tantamount to election, and she was indeed re-elected when the list won a landslide majority victory with 158 mandates.^[18] She continued to chair the economy committee and was also a member of the European integration committee and the committee for foreign affairs, the leader of Serbia's delegation to the parliamentary dimension of the Central European Initiative, the leader of Serbia's friendship group with Indonesia, and a member of the friendship groups with Austria, Belarus, China, Egypt, Germany, Russia, Slovenia, Switzerland, and Venezuela.^[19]

For the 2016 parliamentary election, Tomić received the sixth position on the SNS's list and was elected to a third term when the list won another majority victory with 131 mandates.^[20] In the 2016–20 parliament, she chaired the committee on finance, state budget, and control of public spending; was deputy chair of the economy committee; served on a European Union–Serbia committee on stabilization and association; was the president of the parliamentary friendship group with Italy; and was a member of the friendship groups with Algeria, Austria, Azerbaijan, Belarus, Bulgaria, China, the Czech Republic, Egypt, France, Germany, Greece, Hungary, India, Indonesia, Israel, Japan, the Netherlands, Romania, Russia, Slovakia, Slovenia, South Korea, Switzerland, Turkey, the United Kingdom, and Venezuela.^[21][22]

Tomić received the 105th position on the Progressive Party's Aleksandar Vučić — For Our Children list in the 2020 parliamentary election and was again re-elected when the list won a landslide majority with 188 mandates.^[23] She continued to chair the finance committee and was a member of the economy committee, the stabilization and association committee, and the friendship groups with Canada, China, France, Germany, Italy, Russia, Slovenia, and Switzerland.^[24]

She was given the seventy-seventh position on the SNS list for the 2022 parliamentary election and was elected to a fifth term when the list won a plurality victory with 120 seats.^[25] She is now deputy chair of the finance committee, a member of the economy committee, the chair of a subcommittee for the consideration of reports on audits conducted by the state audit institution, the head of Serbia's friendship group with Germany, and a member of the friendship groups with Austria, Azerbaijan, Bosnia and Herzegovina, Canada, China, Cyprus, Egypt, France, Greece, Indonesia, Israel, Italy, Japan, Malta, Montenegro, Russia, Slovenia, South Korea, and the United Arab Emirates.^[26]

Council of Europe

Tomić was appointed as the head of Serbia's delegation to the Parliamentary Assembly of the Council of Europe (PACE) on 24 November 2017, replacing Aleksandra Đurović. She served in this role until 24 January 2021 and remained a member of the assembly until 9 October 2022. She was at different times a member of the PACE committee on legal affairs and human rights, the committee on political affairs and democracy, the committee on the honouring of obligations and commitments by member states of the Council of Europe, and the committee on migration, refugees, and displaced persons. She also served on the sub-committee on human rights and the sub-committee on relations with the Organisation for Economic Co-operation and Development (OECD) and the European Bank for Reconstruction and Development (EBRD). From January 2021 to October 2022, she was Ivica Dačić's alternate on the sub-committee on external relations. Tomić was a member of the European People's Party (EPP) assembly group.^[27]

In April 2018, she urged European institutions to condemn the arrest of Marko Đurić by Republic of Kosovo authorities and the concurrent assault on some Kosovo Serbs by members of the Kosovo Police at a political meeting in North Mitrovica.^[28]

Local politics

Tomić led the SNS's list for Zvezdara in the 2016 Serbian local elections and was elected when the list won twenty-one out of fifty-three seats.^[29][30] She resigned her seat in the municipal assembly on 29 September 2016.^[31]