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EM0055 | Introduction: Self Assessment Tax System: Interest, Surcharge and Penalties

From HM Revenue & Customs · Enquiry Manual

Interest

Interest is a matter of commercial restitution and in no sense a penalty. It accrues on a daily basis on all tax etc paid late. EM4000+

ITSA Surcharges

Any IT/Class 4 NICs/CGT remaining unpaid 28 days and 6 months after the due date attracts surcharges. EM4100+

Penalties

There are monetary penalties for

  • failure to notify liability

  • failure to deliver a return (by the filing date, or at all)

  • fraudulently or negligently delivering an incorrect return where the filing date is on or before 31 March 2009, EM4500+, or

  • deliberately or carelessly giving us a return or other document that contains an inaccuracy and which relates to a tax period beginning on or after 1 April 2008 and has a filing date on or after 1 April 2009, see CH80000+