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  • Reliability

    Our estimate of the PAYG withholding gap has been assessed by an independent expert panel. Based on advice from the panel, the reliability rating for this gap estimate is low (with a score of 15).

    This is low because the data used to estimate the theoretical tax liability is largely based on external data sources. This data is subject to revision and has historically impacted the most recent years of published gap estimates. There is no official source for such estimates as highlighted by the final report of the Black Economy Taskforce.

    We will continue to refine our work on the PAYG withholding gap in future releases.

    Figure 3: Reliability rating scale from very low to very high – PAYG withholding gap

    Figure 3: This image is a graphical representation of the reliability rating for the current PAYG withholding tax gap estimate. It graphically represents a rating of low, which is a score between 11 and 15. The maximum score is 30.

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      Last modified: 13 May 2022QC 69573