Patent Department of the National Library of the Republic of Tatarstan (ul. K. Marx, d. 36) had carried the update of database "Techexpert: rules, regulations, standards and legislation of Russia". 657 first time received and 1397 modified regulations became available for the users of the source. The documents establish the technical requirements for the enterprises of all sectors of the national economy. Construction industry specialists will find comprehensive information in more than 800 thousand of normative, methodological and reference documents.