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Reliability

Last updated 29 October 2023

We seek feedback and advice about how we estimate the gap from our external and internal subject matter experts. Based on the advice, the reliability for this estimate is medium with a score of 20.

While the current method is considered acceptable, it is possible to use a random enquiry model on this population. This would provide more granular insights into the gap estimate and overall compliance for this population.

Figure 3: Reliability rating scale from very low to very high – medium business income tax gap

 Figure 3 shows the reliability rating for the current medium business tax gap estimate. The rating scale includes very low which is a score between 0 and 10, low is between 11 and 15, medium is between 16 and 20, high is between 21 and 25 and very high is between 26 and 30. The medium business gap estimate has a rating of 20, which is medium.

QC100820