Some visas, including tourist visas, can't be extended.
If you overstay your visa, you won't be allowed to leave Russia until the Russian Ministry of Internal Affairs determines your legal status or an order is issued to deport you.
Australians not attending 2018 FIFA World Cup matches must obtain the appropriate visa before entering Russia.More information about Fan IDs: 2018 FIFA World Cup Bulletin.If you arrive in Russia without a valid visa, you will be detained and deported at your own expense, following the payment of a fine.If provided a migration card in paper form, keep the stamped exit portion of the card with your passport, as you'll need to provide it to passport control on your departure.The migration card is electronic at most international airports but in smaller airports you will need to complete it manually. Retain the stamped migration card as you'll need to present it when exiting the last of the two countries visited.