Guides and instructions

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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This approved form is effective for reporting periods starting on or after 1 July 2021. You may use this report for audits completed for earlier periods – however, you must take care to comply with the auditing standards and legislation that applied to that earlier period.
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Schedules and other documentation for eCommerce are provided below. Digital service providers should take care to note the currency dates of documents. The FY 2020-2021 Release on a page v0.3 is available in two versions, one with additional commentary and one without.
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To help guide you through the Individual Income Tax Return (IITR) 2019 product verification testing (PVT) process we have developed the IITR 2019 PVT scenarios and hotspot guide, and a diagram representing the IITR 2019 PVT process.
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Due to significant changes to the Individual Income Tax Return (IITR) 2020 SBR Service, all digital service providers seeking to access the IITR 2020 production environment for recertification must complete an IITR 2020 Conformance Test Cases and Certification Declaration and accept the condition
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This paper provides a consolidation of responses provided to Digital Service Providers (DSPs) about the implementation of changes due to the retirement of AUSkey. AUSkey retired on 27 March 2020.
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The Mid-Year Economic and Fiscal Outlook (MYEFO) was released on 16 December 2020. A summary of the measures affecting digital service providers is provided on this page for use in developing software.
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The WRE schedule for individual tax returns (also known as Schedule W) will be disabled and not accepted in Tax Time 2020 or later returns. Summary of changes With the successful deployment of the Deduction schedule at Tax Time 2019, the WRE schedule is no longer required.
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The Mid-Year Economic and Fiscal Outlook (MYEFO) was released on 18 December 2017. A summary of the measures affecting digital service providers is provided on this page for use in developing software.
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The Budget 2019–20 was released on Tuesday 2 April 2019. The measures announced as part of the Budget 2019-20 are subject to receiving royal assent and are therefore not yet law.
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