Penalties for Inaccuracies: Calculating the penalty: Penalty reductions for quality of disclosure: Telling: Nature of telling
You must check the date from which these rules apply for the tax or duty you are dealing with. See CH81011 for full details.
An outline of telling is at CH82442. The nature of the telling is the second of the three points to be considered when arriving at the reduction for telling. The first is the timing, see CH82444, and the third is the extent, see CH82448.
The nature of the telling covers why the document was inaccurate or why we were not told about the under-assessment.
To qualify for a full reduction, the person needs to show a positive approach to telling us what has happened. This involves more than just reacting to our questions.