Principal officer means the most senior officer in an USAID Operating Unit in the field, e.g., USAID Mission Director or USAID Representative. For global programs managed from Washington but executed across many countries such as disaster relief and assistance to internally displaced persons, humanitarian emergencies or immediate post conflict and political crisis response, the cognizant Principal Officer may be an Office Director, for example, the Directors of USAID/W/Office of Foreign Disaster Assistance and Office of Transition Initiatives. For non-presence countries, the cognizant Principal Officer is the Senior USAID officer in a regional USAID Operating Unit responsible for the non-presence country, or in the absence of such a responsible operating unit, the Principle U.S Diplomatic Officer in the non-presence country exercising delegated authority from USAID.
2 CFR § 700.1
These are the definitions for terms used in this part. Different definitions may be found in Federal statutes or regulations that apply more specifically to particular programs or activities.