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When CargoWise reports a Government Number for a document that Lambda did not stamp, the workspace shows Stamped externally. Lambda stores that evidence and does not submit another stamp to Facturapi for the same document.

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When it appears

This path is uncommon on the first CargoWise outbound push. The normal income path arrives unstamped; Lambda stamps through Facturapi and then returns artifacts. Stamped externally appears when CargoWise already carries an outside SAT UUID — for example a CFDI issued before Lambda owned the route, or evidence that only arrives with a later push.

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What Lambda does

  • Records the external stamp evidence on the document
  • Leaves the fiscal result as observed, not re-created
  • Continues downstream work that only needs verified parent stamp evidence when that evidence is usable
What Lambda does not do:
  • Create a second CFDI for the same document
  • Quietly replace an external UUID with a Lambda-issued stamp

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How to read it

Stamped externally is a successful observation, not a failure. If linked payments or credits still pause, the note is about missing or contradictory parent evidence — not about “finish the external stamp.” See Income invoices for the normal stamp path and Statuses for the label.