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HMRC internal manual

Tax Credits Manual

HM Revenue & Customs
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Stopping Tax Credits - In Year Finalisation (A-K) - In year specified date (info)


The In Year Specified Date (IYSD) is the date on which, assuming the case has not already been In Year Finalised on reply, the household will be automatically In Year Finalised.

You can change the IYSD if necessary - for example, for hardship cases and where a late reply is promised.

The IYSD cannot be extended once the specified tax credit year award has been finalised.