[CH82120] Penalties for Inaccuracies: Calculating the penalty: Amount of Penalty – introduction
You must check the date from which these rules apply for the tax or duty you are dealing with. See CH81011 for full details.
The amount of the penalty is based on the Potential Lost Revenue (PLR), see CH82160. You should work out the amount of the penalty by applying an appropriate percentage to the PLR depending on whether the inaccuracy was