At the second session of the Conference of the Parties serving as the meeting of the Parties to the Kyoto Protocol (CMP 2), held in Nairobi, Kenya, in November 2006, Parties to the Kyoto Protocol adopted an Amendment to Annex B to the Kyoto Protocol by decision 10/CMP.2. The decision was adopted in accordance with Article 20 and 21 of the Kyoto Protocol, based on a proposal from Belarus to amend Annex B to the Kyoto Protocol, which was submitted in March 2006.

The Notification of the Amendment was communicated on 17 April 2006, to all Parties to the Kyoto Protocol by the Secretary-General of the United Nations, acting in his capacity as Depositary.

The amendment is subject to acceptance by Parties to the Kyoto Protocol. It will enter into force for those Parties having accepted it on the ninetieth day after the date of receipt by the Depositary of an instrument of acceptance by at least three fourths of the Parties to the Kyoto Protocol.