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  • Glossary




    A single key for businesses to access online government services with participating government agencies.

    collectable debt

    Debt that is not subject to objection or appeal or to some form of insolvency administration.

    Double tax agreements and tax information exchange agreements

    Double tax agreements prevent double taxation and fiscal evasion, and foster cooperation between Australia and other international tax authorities by enforcing their respective tax laws, while Tax information exchange agreements allow the tax authorities of Australia and the participating partner to exchange information to assist each other in administering and enforcing their tax laws on both civil and criminal matters.

    excess contributions tax

    A tax paid on contributions made to superannuation that exceed the concessional or non-concessional contributions cap.

    GST gap

    The measure of the difference between theoretical GST liabilities and actual GST liabilities reported.


    Assistance we provide to taxpayers to help them understand their obligations and entitlements. It does not address a taxpayer's specific circumstances and is not binding on the Commissioner.

    highly wealthy individual

    Australian resident who controls net assets of over $30 million.

    large business

    business with annual turnover of over $250 million

    luxury car tax gap

    The gap between estimated LCT revenues and actual reported LCT liabilities.

    micro enterprise

    business with annual turnover under $2 million or superannuation fund with less than $2 million in assets

    Multilateral Convention on Mutual Administrative Assistance in Tax Matters

    Facilitates international cooperation for better operation of national tax laws with a view to combating tax avoidance and evasion, while respecting the fundamental rights of taxpayers. The Convention provides for all possible forms of administrative cooperation between states in the assessment and collection of taxes. This cooperation ranges from exchange of information, including automatic exchanges, to the recovery of foreign tax claims.


    An online means for taxpayers to access information and services.


    Provides taxpayers or their agents with access to information from government agencies, financial institutions, employers and others that will automatically populate labels in their income tax return if they prepare it electronically.

    prescribed task force

    Prescribed by regulation pursuant to subsection 355–70(12) of Schedule 1 of the Taxation Administration Act 1953. This means that disclosures of protected ATO information can be made to task force officers for the task force purposes.

    private ruling

    A written expression of our opinion on the way in which a relevant provision applies, or would apply, to a particular taxpayer and which is legally binding.

    public ruling/determination

    The Commissioner's considered opinion on the way in which a relevant provision applies to taxpayers generally or a class of taxpayers. Any taxpayer covered by the ruling may rely on it and receive the associated protection.

    small-to-medium enterprise

    business with annual turnover between $2 million and $250 million

    Standard Business Reporting

    An Australian Government initiative designed to reduce the reporting burden for businesses in Australia. It simplifies government reporting and lodgment requirements for businesses and tax professionals.

    Tax Issues Entry System

    A joint initiative of the ATO and Treasury. It provides an opportunity for tax practitioners and other members of the community to raise issues relating to the care and maintenance of the tax and superannuation systems, to help us to ensure that existing laws operate in the way intended and correct any technical or drafting defects.


    Administered expenses incurred by the ATO, including superannuation guarantee, superannuation co-contributions, and personal and business benefits and subsidies.

    Last modified: 02 Mar 2015QC 42758