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Transparency: Seeing through International
ACH
July 24, 2009
There are andecdotal reports that some financial institutions are treating their
preparatory efforts for the new international ACH transaction (IAT) rule and
format like a Y2K event. However, they shouldn’t lose sight of the fact that the
industry stands to reap substantial benefits from the new rule, largely because of
improved transparency in the ACH network. As you may be aware, the new IAT rule
and format go into effect on Sept. 18, 2009. NACHA, the rulemaking body for the
ACH network, has conducted extensive industry outreach to provide education on
the new rule and format.
In many respects, the change in the international ACH transaction format is
attributable to the Office of Foreign Assets Control (OFAC). OFAC administers and
enforces economic and trade sanctions in accordance with U.S. foreign policy and
national security goals against targeted foreign entities such as international drug
traffickers, terrorists, and other threats. Beginning in the late 1990s, OFAC began to
have concerns about abuses from terrorists in cross-border ACH transactions.
OFAC had reason to believe that we needed better safeguards for our financial
system, especially after 9/11. The ACH network today is increasingly vulnerable to
potential abuse with respect to the international cross-border movement of funds
because of the expanded use of the ACH for one-off transactions from the practice
of recurring transactions between known and trusted parties, as well as the speed
and efficiency of the ACH network in general.
To address their concerns, OFAC worked with NACHA to construct a payment
format that would permit sufficient information to identify parties to the crossborder transaction. In 2004 NACHA began working with OFAC on a proposed rule
change for international ACH transactions and a new format that would include the
data elements from the Bank Secrecy Act’s (BSA) “travel rule.” Essentially, the BSA
travel rule includes more robust information about the payment originator and
beneficiary so that a financial institution can review the transaction for OFAC
compliance. When the IAT rule goes into effect, all transactions that meet the new
definition of international ACH transactions made via the ACH Network will be
required to use the IAT SEC code.
The IAT code will make it easier for financial institutions to identify international
payments in the ACH network since currently many transactions are mistakenly
coded as domestic. This mistake occurs because today many international
payments are introduced into the U.S. ACH network through domestic
correspondent relationships and are then inadvertently transmitted as domestic
transactions. So the new code will make it easier for financial institutions to identify
these payments and comply with their OFAC obligations, which incidentally, have
not changed. IAT really creates more transparency in two significant ways: by
identifying the transaction as international and by revealing all parties to the crossborder transaction. In the end, transparency in retail payment systems is a good
thing and should help the banking industry combat fraud and other abuses in the

ACH network.
By Cindy Merritt, assistant director of the Retail Payments Risk Forum at the
Atlanta Fed
• July 24, 2009 in
◦ ACH
◦ payments risk
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