Supermandatory

The same priority is also acknowledged to the supermandatory rules of the national laws.

Also, the parties' choice of foreign applicable law shall not affect the application of the supermandatory provisions of the country with which all elements of the contract are related at the time of the choice of applicable law.

Russian courts and commentators distinguish between “mandatory” rules (that parties can opt out of by choice of law) and “supermandatory” rules not subject to opt out. Rules governing strategic investments are supermandatory.