The Final Rule and revision of 31 CFR 103 is available here.
Reuters, February 8, 2010. U.S. rule directs banks to share data abroad. " A U.S. financial crime agency has adopted a rule allowing local, state and foreign police agencies to seek information from American banks, despite opposition from industry groups.The rule broadens one adopted by the Financial Crimes Enforcement Network (FinCEN), a division of the U.S. Treasury Department, after the September 11 attacks. "
Excerpt from revised § 103.100 Information sharing between government agencies and financial institutions.
(a) * * *
(4) Law enforcement agency means a
Federal, State, local, or foreign law
enforcement agency with criminal
investigative authority, provided that in
the case of a foreign law enforcement
agency, such agency is from a
jurisdiction that is a party to a treaty
that provides, or in the determination of
FinCEN is from a jurisdiction that
otherwise allows, law enforcement
agencies in the United States reciprocal
access to information comparable to that
obtainable under this section.