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myIR maintenance | myIR will not be available on Sunday morning 10 December from midnight to 4am NZDT. We're sorry for any inconvenience.

End-of-year arrangements Our offices and phone lines will close down over the holiday season, but our website, self-service 0800 number and myIR will remain available. Find out more

We've upgraded our voice system You may notice some changes the next time you call us. Find out more

This page contains links to guidelines and reports, including the Intergovernmental Agreement and Memorandum of Understanding, that are available for download or print.

Intergovernmental Agreement and Memorandum of Understanding with the United States

All documents are in PDF and available for download or print from the links below.


Guidance for financial institutions

All documents are in PDF and available for download or print from the links below.


See the glossary of FATCA terms:

FATCA glossary

Last updated: 28 Apr 2021
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