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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 and assessment, the reliability rating for this estimate is medium with a score of 15.

We are looking to improve the reliability in the future by drawing on further data sources so that we can remove or improve upon assumptions that we currently use.

Figure 3: Reliability rating scale from very low to very high – alcohol tax gap

Figure 3: This image shows a graph that represents the reliability rating for the current Alcohol tax gap estimate. The rating scale includes: -	Very low which is a score between 0 and 10 -	Low which is a score between 11 and 15 -	Medium which is a score between 16 and 20  -	High which is a score between 21 and 25 -	Very high which is a score between 26 and 30. The graph shows the alcohol tax gap estimate has a rating of 15, which is medium.