This report, prepared in response to the request from the Conference of the Parties at its twenty-fourth session for the Executive Secretary to prepare, regularly update and publish before each session of the subsidiary bodies brief reports on standard costs and, if available, options for reducing the cost of activities where practicable, contains information on the costing of official travel covered by the secretariat. It should be read in conjunction with document FCCC/SBI/2019/INF.4, the first report prepared in response to the aforementioned request, which includes an overview of standard costing practices within the United Nations system as well as options for approaches to preparing and using standard costs for supporting decision-making in relation to new UNFCCC mandates under consideration by the governing or subsidiary bodies.