Any proposal to amend this Treaty shall be submitted in writing to the Secretariat, which shall circulate the proposal to all States Parties, not less than 180 days before the next meeting of the Conference of States Parties at which amendments may be considered pursuant to paragraph 1. The amendment shall be considered at the next Conference of States Parties at which amendments may be considered pursuant to paragraph 1 if, no later than 120 days after its circulation by the Secretariat, a majority of States Parties notify the Secretariat that they support consideration of the proposal.