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Is your exact framework supported?

Choose the operator and enter the agreement or framework reference. Self-service checkout appears only when UK Filing has verified the exact template version and implemented rules.

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Two anonymous sample results

Try the free validator with fabricated HTE-format files. They contain no real organisation, contract, invoice or customer data. Select July 2026 as the reporting month, otherwise every row is additionally flagged as outside the selected month.

Download the clean sample Download the faulty sample Open the free validator

FileResultRowsErrorsWarningsWhat it shows
hte-example.csvNo structural errors found100The implemented checks found no issue; customer review and submission are still required.
hte-example-with-errors.csvBlocking errors found522A missing contractual field and an impossible invoice date block the return; a gross total that does not add up and a fully repeated row are raised for your judgement.