This document summarizes the work programme for the secretariat for the biennium 2012-2013 and outlines the amount of core budget and supplementary resources required to implement its mandates and achieve its expected results. It should be considered in conjunction with document FCCC/SBI/2011/2, which contains the proposed programme budget for the biennium 2012-2013, Add.2, which lists the activities to be funded from supplementary sources, and Add.3, which provides the budget of the international transaction log