The Adaptation Communications can play a central role in identifying national needs and enabling international follow-up, while informing future action, driving ambition, and contributing information for the global stocktake. However, Parties to the Paris Agreement face a difficult balancing act while developing further guidance for the Communications, as they strive to make them useful and effective on one hand, and avoid placing an additional burden on countries (particularly those with limited capacity) on the other. This policy brief considers the challenges in light of the discussions that have taken place so far, most recently in Bonn in November 2017.