> Do you know if its only incorporation in EU countries?
Anywhere abroad. It is illegal (and has been illegal since 2014 or so, can't remember) for a Russian resident to have a controlling stake in a company not incorporated in Russia.
> is that transactions out of the country or any transaction
It's about transfers of funds from Russia to foreign bank (and "bank-like") accounts. Accepting money from abroad is still legal -- which is confirmed by the fact that they yesterday imposed a requirement of mandatory conversion of 80% of any foreign-currency revenue to rubles.