RM5140 | Over-repayments: Introduction
From HM Revenue & Customs · Repayment Claims Manual
An over-repayment arises whenever too much tax or repayment supplement is
set-off
or
repaid to a claimant or the nominee.
You are likely to find out about an over-repayment when
the claimant asks you to check or explain the amount of a repayment or set-off
you check a later claim in detail
you receive additional information about a claim.
This section tells you
what to do when you find out about an over-repayment
how to decide whether to recover an over-repayment
what to do if the over-repayment is due to Official Error
how to recover an over-repayment
the steps to take
what to do if there is no reply
how to deal with replies
how to deal with forms R97
what to do if an Inspector or Collector asks you to recover an over-repayment by assessment.