An auditing board established by the United Nations says the United States should repay Iraq more than $200 million for work done by a U.S. contractor.

The International Advisory and Monitoring board examined the cost of several contracts awarded to Kellogg, Brown and Root (KBR), which is owned by the southwestern U.S. state of Texas-based corporation Halliburton.

The contracts for fuel deliveries and repairing Iraq's infrastructure were largely funded by Iraqi oil revenues.

The board based its findings on several audits conducted by private and U.S. government auditors, including the military.

A spokesperson for KBR says the questions raised in the audits deal mainly with documents and paperwork, and not with the quality of the work itself.

Critics say KBR has received billions of dollars of exclusive, no-bid contracts, because of ties to Vice President Cheney, who ran Halliburton before running for office in 2000.

Some information for this report provided by Reuters.