ECP4500 | Types of penalties: Fixed penalties
From HM Revenue & Customs · Excise Civil Penalties Manual
The purpose of a fixed penalty is to encourage compliance with regulations such as
rendering returns on time
conditions of approval
record keeping requirements
use of rebated oil.
This is not an exhaustive list and you should refer to the specific guidance and regulations for the excise regime.
Anyone who fails to comply with their regulatory obligations may render themselves liable to a penalty of £250 (subject to reasonable excuse).