The by-elections of deputies of the State Duma of the Federal Assembly of the Russian Federation of the seventh convocation on 8 September 2019 were held in 4 single-member constituencies, on the territory of which more than 2 million voters live. The campaign involved 2046 precinct and 84 territorial election commissions; 34 candidates from 12 political parties participated in this campaign.
In the elections, all election standards of the CEC of Russia were fully applied. The protocols had a QR code; video surveillance was carried out in 924 precinct and 84 territorial election commissions, the «Mobile Voter» mechanism was actively used. At digital polling stations, voters from all regions in which the elections took place cast their votes.