Ginnie Mae may not be accurately disclosing its financial exposures to Congress because it is not fully implementing federal accounting guidance and using critical information, according to a recent report by the Government Accountability Office. GAO auditors found that Ginnie Mae did not stick to federal accounting guidance in developing the inputs and procedures for reporting forecast costs and revenues. Under the Financial Accounting Standards Advisory Board guidance for preparing cost estimates of federal credit programs, reporting entities are required to develop estimates...