 Humanitarian organisations may use it as a voluntary code with which to align their own internal procedures.It can also be used as a basis for verification of performance.The CHS is the result of a 12-month, three-stage consultation facilitated by Humanitarian Accountability Partnership International (HAP), People In Aid and the Sphere Project, during which many hundreds of individuals and organisations rigorously analysed the content of the CHS and tested it at headquarters and field level.