In 1997, The Law of the Leningrad Region No.: 24-oz “On investment activity state support in the   Leningrad Region". It provides for setting a minimum tax rate to the Leningrad Region budget on income tax, property tax and subsidies in the amount of the Regional income tax. Since that more than 160 contracts for investment activity state support have been concluded between the Leningrad Region and the investors. Both the largest Regional enterprises and midsize businesses took advantage of the Law.

December 29, 2012 the Law No.: 113-oz “On State Support of Organizations engaged in Investment Activity in Leningrad Region, and Amendments to Certain Legislative Acts of the Leningrad Region" was passed to replace the Law 24-oz. As the former Law, the Law No.: 113-oz provides establishing minimum rates of property tax and corporate income tax to be credited to Leningrad Regional Budget.

During 2013, the investors could conclude a state support contract with the Leningrad Region  both on the basis of the Law No.: 24-oz, as well as on the basis of the Law No.: 113-oz. starting from 2014, the investors can be granted tax cuts only on the basis of the Law No.: 113 - oz.

In accordance with the provisions of the Law 113-oz, the MFN status, provided to the investors, who have concluded the state support contracts according to the Law No.: 24-oz, will be  retained until the termination of such contracts and will be in force to the extent provided thereto.