“This is a very good question, we will raise it at the level of the European Commission,” BTV quotes Nikolov.

According to him, at the moment the EC has made it clear that payment in rubles is a violation of the sanctions.

Bulgaria expects that the European Commission will give additional instructions.

The press secretary of the Russian leader, Dmitry Peskov, expressed confidence that Russia does not intend to supply gas to anyone for free.

He also noted that Russia's partners are not experiencing additional difficulties in connection with the transition to paying for Russian gas in rubles.