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Send EDIFACT messages for NCTS GB tests
Send EDIFACT messages for NCTS Italy tests
Send a manual intervention message
Give the test declaration number used from the test pack and the LRN/MRN in your email.
Only use these email addresses for NCTS testing.
If HMRC needs to contact you about anything confidential they’ll reply by phone or post.
Service availability is shown on the Online Services page.