Farkaš received the thirty-ninth position on the Progressive Party's electoral list in the 2016 Vojvodina provincial election and was elected when the list won a majority victory with sixty-three out of 120 mandates.[2] During his first term, he promoted a project for the construction of a new sports center in the Mužlja area of Zrenjanin.[3]
He received the forty-first position on the Progressive-led Aleksandar Vučić — For Our Children list in the 2020 provincial election and was re-elected when the list won an increased majority with seventy-six mandates.[4] He is a member of the assembly committee on national equality and the committee on establishing the equal authenticity of provincial legislation in the languages in official use.[5]
In recent years, Farkaš has been involved in an internal party rivalry with Goran Knežević, a dominant figure in the Progressive Party's organization in Zrenjanin.[6]