VCP11174 | Breach of VAT Regulatory Provisions: Calculation and notification of a penalty: Recovery of the penalty
From HM Revenue & Customs · VAT Civil Penalties
If a payment of a penalty assessment is not made within 30 days of issue, the details should be passed to the Debt Management Unit with a request for recovery action.
Penalties are recoverable as if they were tax due, and in order to preserve their credibility enforcement procedures should be started with the minimum of delay.