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HMRC internal manual

Debt Management and Banking Manual

HM Revenue & Customs
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Interest: Charging interest - by IT system: Charging interest in SAFE: Contents and overview in SAFE

The legislation and business rules for charging interest on tax and duty types in SAFEare unchanged as a result of the introduction of SAFE. However as SAFE is based on acommercial package tailored to meet HMRC’s requirements, the processes for thecalculation and charging of interest are different to those relating to other Head of Dutysystems.

The following paragraphs explain what these processes are.