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  • Reliability

    We seek feedback and advice about the methods we use to estimate the gap from our external and internal subject matter experts. Based on the advice and assessment, the reliability rating for this estimate is high (with a score of 22).

    The estimate draws on the results from the random enquiry program and looks at all items on an income tax return, and the taxpayer information we have received. Non-payment is also addressed. The gap has not materially moved between years, giving us confidence in the results we are seeing.

    Figure 7: Reliability rating scale from very low to very high – individuals not in business income tax gap

    Figure 7 is a graphical representation of the reliability rating for the current individuals not in business income tax gap estimate. It graphically represents a rating of high (22), which is a score between 21 and 25. The maximum score is 30.

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      Last modified: 19 Oct 2021QC 56246