This document contains the programme budget for the biennium 2018–2019 proposed by the Executive Secretary for consideration by the Subsidiary Body for Implementation at its forty-sixth session, adoption by the Conference of the Parties at its twenty-third session and endorsement by the Conference of the Parties serving as the meeting of the Parties to the Kyoto Protocol at its thirteenth session and the Conference of the Parties serving as the meeting of the Parties to the Paris Agreement at the second part of its first session. It should be considered in conjunction with the two addenda to this document, which provide details on the work programme of the secretariat and the corresponding resource requirements, including requirements to be met from supplementary sources, and the budget of the international transaction log, respectively. Additional data and information is available on the UNFCCC website at http://unfccc.int/secretariat/unfccc_budget/items/9928.php.