CH403135 | Charging penalties: calculating penalties: the information you need to calculate a penalty: failure to file on time
From HM Revenue & Customs · Compliance Handbook
Before you can calculate a failure to file and withholding information penalty you must have
established, to the best of your information and belief, see CH63560
the liability to tax which would have been shown in the return or
in CIS cases, the liability to make payments which would have been shown in the return
established the type of behaviour, see CH402000
established the territory category in offshore cases, see CH403140
established the type of disclosure, see CH403202
determined any reductions for disclosure, see CH403203
established the amount of the 12 month failure to file penalty assessed automatically, see CH403321.