This document provides an overview of measures taken to date by the secretariat to further improve the efficiency and transparency of the UNFCCC budget process and documentation, including in relation to the actions mandated in decisions 18/CP.24 and 18/CP.25 and the aspects that the Subsidiary Body for Implementation agreed to consider at its fifty-second session. It consolidates and updates the information contained in previous documents on this matter and provides information on how the secretariat intends to continue its efforts for future budget cycles.