Ward said that search and seizure warrants should be used to obtain documents.
In 2010, Catt used the Data Protection Act to obtain documents from the secretive police unit.
But the S.E.C. has no authority to obtain documents or interview witnesses in China.
Congressional leaders say they are having trouble getting full cooperation from the Bush administration in efforts to obtain documents and witnesses for hearings.
A special investigator, Nikolai Volkov, will travel to Switzerland on Wednesday to obtain documents on the case from Swiss authorities, Reuters reported.
Fraudsters often obtain documents by stealing or redirecting it - so look out for post that you are expecting and report missing items quickly if they don't arrive.
Lawyers for Mr. Taubman are also trying to obtain documents from an internal investigation that Christie's conducted with its outside counsel, Skadden, Arps, Slate, Meagher & Flom.
She battled German authorities for nearly three decades to obtain documents and compensation for their bungled attempt to rescue the Israeli Olympians.
It published a guide on how to obtain documents for the 430,000 Irish-born people living in England, Wales and Scotland.
AremisSoft said on July 31 that it had not been able to obtain documents to support $5.4 million in revenue it reported on that contract in 2000.
Congressional committees have the ability to issue subpoenas to compel witness testimony or to obtain documents.
