Federal Law from July 29, 1998 of No. 135-FZ
ON EVALUATION ACTIVITY IN THE RUSSIAN FEDERATION
Evaluation activity shall be exercised in compliance with the international treaties made by the Russian Federation, this Federal Law, as well as other federal laws and other normative legal acts of the Russian Federation regulating the relations which arise while exercising evaluation activity.
The present Federal Law defines the legal principles for regulating evaluation activity for the purposes of transactions with the objects of evaluation, where said objects belong to the Russian Federation, to the constituent regions thereof, or to municipal units, individuals and legal entities, as well as for other purposes.
For the purposes of the present Federal Law, evaluation activity shall be understood to mean a professional valuer's work to determine the market or some other value of an object undergoing evaluation.