Proposed amendments to UN Regulations shall be put to the vote. Each country, Contracting Party to the Agreement applying the UN Regulation shall have one vote. A quorum of not less than half of the Contracting Parties applying the UN Regulation is required for the purposes of taking decisions. For the determination of the quorum, regional economic integration organizations, being Contracting Parties to the Agreement, vote with the number of votes of their member States. The representative of a regional economic integration organization may deliver the votes of those of its constituent sovereign countries which apply the UN Regulation. Draft amendments to UN Regulations shall be established by a four-fifths majority of those present and voting.