Specifications

The tax file number (TFN) algorithm is a mathematical formula that tests the validity of numbers quoted as TFNs. Its use in software is recommended as it will minimise TFN errors and may reduce the need for contact between your organisation or clients and the ATO.
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The accepted specifications and versions for the 2016-17, 2017-18, 2018-19 and 2019-20 financial years. You will be required to use these if you are developing software to lodge electronically. A list of validation tools has also been included.
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This page contains information and artefacts for web services that enable reporters to lodge bulk XML files via the ATO portals/bulk file transfer facility. Bulk XML BDE Implementation Guide
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A final Private health insurance report version 3.0.2 electronic reporting specification (ERS) and a final Private health insurance statement specification version have now been published.
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A final version of the Transaction of shares and units (Listed Entities) report specification v2.1.0 is now available.
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A Final Electronic reporting specification Real property transfers report (RPTR) specification v1.0.4 has been released.  Due to the changes being minor and informational, only a clean version has been published.
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A FINAL version of the Taxable payments annual reports (TPAR) v3.0.1 specification has been released.  Due to the changes being minor and informational, only a clean version has been published.
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A Final Electronic reporting specification Transfers of shares and units (Market Participants) report specification v1.2.1 has been released.  Due to the changes being minor and informational, only a clean version has been published.
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A final version of the Employee share scheme (ESS) annual report v3.1.1 specification is now available.
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A Final Community Housing Providers Report v1.0.1 has been released.  Due to the changes being minor and informational, only a clean version has been published. General key changes
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