Resolution of the Commission of the Customs Union No. 871 of December 9, 2011 on Amending and Supplementing Resolution of the Commission of the Customs Union No. 450 of November 18, 2010 on the Structures and Formats of Electronic Copies of Declarations of Customs Value and of the Form of Adjusting Customs Value and Customs Payments and No. 785 of September 23, 2011 on Amending and Supplementing the Procedure for Declaring the Customs Value of Goods