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HMRC error messages · Income Tax

RULE_NOT_CONTIGUOUS_PERIOD

There is a gap between this update and the one before it. Each update has to start the day after the previous one ended.

HMRC's message · HTTP 400
Period summaries are not contiguous

When it appears

Sending a quarterly update for self-employment or property income.

What to check

  • The end date of the last update HMRC accepted for this business.
  • The start date of the update you are sending.

How to fix it

Start the update the day after the previous one ended.

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Accountin shows HMRC's code and message next to a plain explanation, and keeps HMRC's reply against every submission.

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