Accountability in services refers to the obligation that several persons, groups, or
organizations assume for the execution and fulfillment of a service. This obligation includes:
 (i) Answering, providing an explanation or justification, for the execution of that
 authority and/or fulfilment of that responsibility;
 (ii) Full disclosure on the results of that execution and/or fulfillment;
 (iii) Undeniable liability for those result (non-repudiation); and
 (iv) Obtaining trusted agreement of accountability from all entities involved in the
 service, who in turn are bound to the obligations set out above.
Box 2: Accountability for multiple parties.