From 15/03/2015 only the new certificates of conformity will be accepted

From 15 March 2015, the customs authorities of the Member States of the Customs Union (Russia, Belarus and Kazakhstan) will accept only the certificate or declaration of conformity to the Technical Regulations of the Customs Union for products covered by the EU directives listed below.
It should be noted that the scope and the technical requirements of the EU directives and the respective Technical Regulations of the Customs Union may not coincide.

1) Low Voltage Directive 2006/95/EC
2) EMC Directive 2004/108/EC
3) Directive 2006/42/EC on machinery
4) ATEX Directive 94/9/EC
5) Gas Appliance Directive 2009/142/EC

The voluntary certificates of conformity remain valid until their expiration date.