This paper has been prepared to capture many of the issues and concerns that have been raised by a range of shelter actors, and to set out how sector specific technical considerations need to be included more systematically in both the field and policy level discussions around Cash and Markets.The ultimate aim of this paper is to stimulate discussion on the specific issues raised, but also the place and role of all specific sectors in developing the ways in which we can increase the impacts for the affected populations we wish to assist.