Russian President Vladimir Putin has signed a decree providing criminal responsibility for concealment of dual citizenship.

According to the law, those concealing their second citizenship will be fined up to 200,000 rubles ($5,700) or punished by compulsory community service of up to 400 hours if fail to notify the Federal Migration Service of receiving the second citizenship.

To be noted, in Crimea, region that was annexed by Russia in March, the decree will come into force in January 2016.

Since the Russian annexation of Crimea, all the residents of the region were forced to take Russian citizenship, amid great amount of Crimeans wished to remain citizens of Ukraine.

Russian passports are given to Crimeans not by the Ministry of Internal Affairs, but by the Federal Migration Service of Russia, that means they are valid on the territory of Russia Federation only.