The International Publish What You Pay Coalition (PWYP) and its partner organizations in São Tomé and Principe and Nigeria are extremely concerned about serious flaws revealed by a report into the 2005 bidding round for oil blocks in the Joint Development Zone (JDZ). The end result appears to be substantial revenue losses, to the detriment of the people of both São Tomé and Principe and Nigeria... A significant part of the report focuses on Environmental Remediation Holding Corporation (ERHC), whose majority shareholder is a Nigerian oil company.