4 Aug 2012 Proposal for Supplement 9 to the 02 series of amendments to Regulation No. 31 (GTB) GRE/2012/33 2012-08-04
28 Jul 2012 Proposal for Supplement 8 to the 02 series of amendments to Regulation No. 31 WP.29/2012/69 2012-07-28
23 Mar 2012 Proposal for Addendum to document GRE/2012/7 (GTB) GRE-67-18 2012-03-23