This document summarizes the revised work programme of the secretariat for the biennium 2018–2019 as mandated by the Subsidiary Body for Implementation (SBI) at its forty-sixth session (FCCC/SBI/2017/7, para. 128). It outlines the amount of core budget and supplementary resources required to implement the secretariat’s mandates and achieve the expected results. It should be considered in conjunction with document FCCC/SBI/2017/4, which contains the proposed programme budget for the biennium 2018–2019, document FCCC/SBI/2017/4/Add.2, which contains the proposed budget for the international transaction log, draft decision -/CP.23 on the programme budget for the biennium 2018–2019, proposed by the SBI for adoption under agenda item 18(c) of the Conference of the Parties (FCCC/SBI/2017/7/Add.1, pp.3–14), and draft decision -/CMP.13 on the programme budget for the biennium 2018–2019, proposed by the SBI for adoption under agenda item 13(c) of the Conference of the Parties serving as the meeting of the Parties to the Kyoto Protocol (FCCC/SBI/2017/7/Add.1, pp.15–20).