When the IRO took over responsibility for caring for the DPs from UNRRA in July 1947, it conducted a new screening of all DPs. The CM/1 application was used to determine who was within the mandate of the IRO and could thus receive support. In the US zone, new identity cards were issued after this. In the British zone, however, officials continued using the DP identity card and simply noted on it that the person was receiving IRO assistance through the Care and Maintenance program. The responsible eligibility officer signed this identity card in September 1949.