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The Stackin blog

Technical writing on issuing, consulting and cancelling Brazilian fiscal documents, for developers.

ProductsNF-e issuanceThe product-invoice surface of the API — same account, same key, same dashboard as NFS-e.Aug 28, 20261 min readRead article
SolutionsNF-e correction letter (CC-e): what can be corrected, deadline, how-toWhat a CC-e can and cannot correct, whether there is a deadline, the limit of 20 letters per NF-e and how to register the event with the SEFAZ.Sep 25, 20263 minSolutionsInvalidating NF-e numbers at the SEFAZ: when and howWhen the NF-e sequence skips numbers, the issuer must invalidate the range at the SEFAZ by the 10th of the following month. The deadline, the rules and how it differs from cancellation.Sep 25, 20263 minIntegrationNF-e rejection 204: duplicate NF-e, what it means and how to fix itRejection 204 means the SEFAZ already has an NF-e with the same model, state, issuer, series and number. Why it happens and how to fix it without issuing again.Sep 25, 20263 minIntegrationNF-e rejection 539: what it means and how to fix itNF-e rejection 539: duplicate with a different access key. What SEFAZ checks, why it happens and how to fix it without invoicing the same sale twice.Sep 25, 20263 minSolutionsNF-e Recipient Manifestation: events, deadlines and XML downloadThe four recipient manifestation events, their codes, the 90-day deadline set by Ajuste SINIEF 14/26, who must file and why it unlocks the full XML.Sep 25, 20263 minSolutionsSEFAZ unavailable: how to confirm it and issue NF-e in contingencyWhat to do when SEFAZ is unavailable: where to check the official status, what codes 108 and 109 mean, and how the SVC, EPEC and FS-DA contingency modes work.Sep 25, 20265 min