This document contains the complete updated “Guidelines for the preparation of national communications by Parties included in Annex I to the Convention, Part I: UNFCCC reporting guidelines on annual inventories” including the revisions to the land use, land-use change and forestry sector adopted by the Conference of the Parties (COP) at its eleventh session. The secretariat has prepared this document at the request of the COP to facilitate reporting of inventories from Annex I Parties