Problems with drug procurement were greater than expected, and donors had delivered only about $9 billion of the $27 billion pledged.
Last week seven men, including the event's former head of procurement, were arrested on suspicion of manipulating public tenders in connection with the fair, in a scandal of alleged corruption that has dominated headlines in Italy for days.
Documents show that dozens of directors including the head of procurement were "eliminated" as part of an aggressive cost-cutting programme, while another 400 more junior posts were closed.
Many E-commerce systems for construction material procurement were developed to improve business process, to cut administration cost, and to provide more comprehensive information.
Barriers including DIST information attributes such as reliability and uncertainty, and additional financial investment arising from training, employment and infrastructure procurement were identified.
Details surrounding his procurement were initially unclear, but in his statement Tuesday, Irving said the dog came "from a reputable and loving breeder in California" and has "been adopted permanently by one of our longtime employees".
