On April 6, 2009, the Directorate of Defense Trade Controls (DDTC) updated its Agreements Guidelines (Revision 1A - Interim Update) on its website. The DDTC also provided a Summary of Changes. In that document, DDTC states:
This update is being published to correct substantive and administrative errors identified in the "Guidelines for Preparing Agreements - Revision 1." This update is not the result of changes or modifications to DTC policies or procedures.