Data-matching process
When required, our data-matching process uses both mainframe-based and mid-range applications that comply with an ATO-designed software solution (technical standard). The technical standard supports all our data-matching programs and aligns with OAIC guideline 4.7External Link.
We use over 60 sophisticated identity-matching techniques to ensure we identify the correct taxpayer when we obtain data from third parties. These techniques use multiple identifiers to obtain an identity match.
The identity-matching process appends matching information to the original reported transaction to include an ATO identifier number and a 3-character outcome code that indicates to the user the level of matching confidence for the transaction. For example, where a name, address and date of birth are available, all items are used in the identity-matching process. Very high confidence matches will occur where all fields are matched.
Additional manual processes may be undertaken where high confidence identity matches don't occur, or a decision taken to destroy data is no longer required. Our manual identity-matching process involves an ATO officer reviewing and comparing third-party data identity elements against ATO information on a one-on-one basis, seeking enough common indicators to allow confirmation (or not) of an individual's identity. We commonly call this process manual uplifting.
To maintain integrity of the administration of the tax and superannuation systems, only staff with a direct and genuine ‘need to know’ can access the technical standards for our identity and discrepancy-matching solutions.
Making a privacy complaint
Our privacy policy outlines how we collect, hold and disclose data and explains what you can do if you're not satisfied with the way your information has been treated.
If you're not satisfied with how we have collected, held, used or disclosed your personal information, you can make a formal complaint.
If you're not satisfied with the outcome of the privacy complaint, you can contact the Office of the Australian Information CommissionerExternal Link.
For more information, see how we protect your privacy.