VCP11044 | Calculation and notification of a penalty: Calculation of a penalty
From HM Revenue & Customs · VAT Civil Penalties
If the trader submits yet another EC Sales List (ESL) containing a material inaccuracy (i.e. the 3rd list containing a material inaccuracy) within a period of 2 years beginning with the day after the service of the Penalty Liability Notice (PLN), they will be liable to a penalty.
The penalty is £100 and only relates to this 3rd list containing an inaccuracy.