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© Australian Taxation Office for the Commonwealth of Australia

Copyright information

You are free to copy, adapt, modify, transmit and distribute the material on this web site as you wish (but not in any way that suggests the ATO or the Commonwealth endorses you or any of your services or products).

ECI Client software

© Australian Taxation Office for the Commonwealth of Australia

Copyright information

ECI Client software (ECI) is protected by copyright. You may:

  • use the installed copy of ECI (in its unaltered form) for electronic communications with the ATO, and
  • make copies of it for back-up purposes only.

All other rights are reserved. In particular, you may not:

  • decompile, reverse engineer, disassemble, or otherwise attempt to derive the source code for ECI, or
  • sub-licence, distribute or create derivative works based upon ECI in whole or in part.

Product information

The Australian Taxation Office:

  • provides ECI "as is" and without charge
  • gives no express or implied warranties (and to the full extent permitted by law excludes all statutory warranties) in relation to ECI (including as to its performance or fitness for a particular purpose), and
  • will not be liable in any way for any loss or damage (including special, indirect or consequential) arising from or in connection with ECI or its use or performance.

If you are located outside Australia, you are responsible for complying with local laws. Those laws may impact your eligibility to obtain or use a copy of ECI.

Other software products

Any other software made available to you together with ECI is governed by the terms of the end user licence agreement which accompanies or is included with that software.


The ATO is a government agency bound by the Privacy Act 1988 in terms of handling personal information and tax file numbers (TFNs). For more information about your privacy go to www.ato.gov.au/privacy

All specific privacy notices relating to the collection of personal information within this application are listed in the www.ato.gov.au/privacy pages.