According to the law of the Russian Federation of 7 February 1992 № 2300-I «The Customer Protection Act» Kazan airport gives information about the cost of goods, work and services, provided by the airport to allow the preliminary assessment and choice of goods, work and services which are necessary for airlines, passengers and other juridical and individual persons. You can find available information and regulatory documents on the following links:

Actual price lists
Price lists coming soon