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Every stamped document travels the same pipeline: CargoWise sends it, Lambda checks it, Facturapi issues the CFDI when eligible, and Lambda returns the files. What changes is the shape of the document and what “success” looks like in the workspace.

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The three shapes

A Government Number already present from outside Lambda is recorded as Stamped externally — Lambda does not create another CFDI. See External stamps.

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Follow a path

Income invoices

Follow an unstamped bill from CargoWise through stamp and delivery.

Payment complements

Follow a receipt into a REP, including PPD vs PUE and waiting for parents.

Credits and cancellations

Follow credit completion, SAT cancellation, and blocked chains.
Ordinary guides stay on the happy path. Lambda-only quirks (parent-cancel full credits, REP windows, reversals, EXX lines) live under Special behaviors.