Wednesday, January 14, 2015

IR-2015-01, IRS Launches International Data Exchange Service (FATCA)

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IRS Newswire Jan. 12, 2015
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Issue Number: IR-2015-01Inside This Issue
IRS Launches International Data Exchange Service; Supports Reporting under FATCA and Intergovernmental Agreements
IR-2015-01, Jan. 12, 2015
WASHINGTON — The Internal Revenue Service announces the opening of the International Data Exchange Service (IDES) for enrollment. Financial institutions and host country tax authorities will use IDES to securely send their information reports on financial accounts held by U.S. persons to the IRS under the Foreign Account Tax Compliance Act (FATCA) or pursuant to the terms of an intergovernmental agreement (IGA), as applicable.
More than 145,000 financial institutions have registered through the IRS FATCA Registration System. The U.S. has more than 110 IGAs, either signed or agreed in substance. Financial institutions and host country tax authorities will use IDES to provide the IRS information reports on financial accounts held by U.S. persons.
“The opening of the International Data Exchange Service is a milestone in the implementation of FATCA,” said IRS Commissioner John Koskinen. “With it, comes the start of a secure system of automated, standardized information exchanges among government tax authorities. This will enhance our ability to detect hidden accounts and help ensure fairness in the tax system.”
Where a jurisdiction has a reciprocal IGA and the jurisdiction has the necessary safeguards and infrastructure in place, the IRS will also use IDES to provide similar information to the host country tax authority on accounts in U.S. financial institutions held by the jurisdiction’s residents.
Using IDES, a web application, the sender encrypts the data and IDES encrypts the transmission pathway to protect data transfers. Encryption at both the file and transmission level safeguards sensitive tax information.
Host country tax authorities in Model 2 IGA jurisdictions and financial institutions are encouraged to begin the enrollment process well in advance of their reporting deadline. To begin transmitting information in IDES, a financial institution or tax authority will need to first obtain a digital certificate. Digital certificates bind digital information to physical identities and provide data integrity. IDES stores each user’s public key and related digital certificate. All IDES enrollees (including host country tax authorities) must obtain a proper digital certificate in order to enroll; there is a list of approved Certificate Authorities available on
For host country tax authorities in Model 1 IGA jurisdictions, the IRS will directly notify them to let them know when it is time to enroll. Financial institutions will initiate enrollment online on their own; in order to enroll, the financial institution will need to have registered as a participating financial institution through the IRS FATCA Registration System and have a global intermediary identification number (GIIN) that appears on the IRS FATCA FFI list. The online address for IDES enrollment can be found here. IDES runs on all major browsers, including Chrome, Internet Explorer, Safari, and Firefox and will support application-to-application exchanges through the SFTP transmission protocol enabling a wide variety of users to interact with IDES without building additional infrastructure to support transmission.
Further information on IDES can be found here. The IDES User Guide with instructions for enrolling and using the IDES can be found here. The IRS has posted Frequently Asked Questions about FATCA and IDES on and will continue to update the FAQs as questions are received. In addition, there is a comments link on to submit questions specifically on IDES and another for other FATCA-related questions.

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