--- title: "SEFAZ e-invoicing (NF-e, CT-e, MDF-e) CT-e drops EPEC and FSDA contingency on November 16, 2026: 2026-11-16 | Harbyn" description: "SEFAZ e-invoicing (NF-e, CT-e, MDF-e) CT-e drops EPEC and FSDA contingency on November 16, 2026, effective Nov 16, 2026." canonical: "https://harbyn.com/changes/sefaz/2026-10-01-ct-e-ct-eos-and-gtv-e-layout-updates" last-updated: 2026-10-09 --- # SEFAZ e-invoicing (NF-e, CT-e, MDF-e) CT-e drops EPEC and FSDA contingency on November 16, 2026 Markdown version of . Breaking change - SEFAZ e-invoicing (NF-e, CT-e, MDF-e). high severity. Announced. Upcoming. NT CT-e 2026.004 v1.00 removes the EPEC (tpEmis=4) and FSDA (tpEmis=5) contingency modes and the EPEC events from CT-e, CT-e OS and CT-e Simplificado, and adds offline contingency (tpEmis=2), the net service value field vTPrestLiq, a prepaid ICMS group and a presumed-credit event. Homologation October 13, production November 16, 2026; the CT-e Simplificado structure change reaches production on December 14, 2026. 22 days left: the deadline is Nov 16, 2026. ## Facts | Fact | Value | | --- | --- | | Vendor | [SEFAZ e-invoicing (NF-e, CT-e, MDF-e)](https://harbyn.com/vendors/sefaz.md) | | Kind | Breaking change | | Severity | high | | Status | Announced | | Announced | Oct 1, 2026 | | Effective | Nov 16, 2026 | | Added to Harbyn | Oct 9, 2026 | | Lead time | 38 days of warning | | Review | Reviewed by a person, extracted by a model | ## Find it in your code ```sh npx harbyn scan ``` This change names no identifier the scanner can match line by line, so the scan tells you whether your repository uses SEFAZ e-invoicing (NF-e, CT-e, MDF-e), from its packages and API hosts. Nothing leaves your machine. ## Sources Where this event comes from: the page we read, when we read it, and the hash of that snapshot. - (changelog, fetched 2026-10-09 06:16 UTC, sha256 `f3daa6da85744703ee79c3e8f36e891d68f5c130015fdb2929c5baf9d086fca2`) ## Related changes ### More from SEFAZ e-invoicing (NF-e, CT-e, MDF-e) - [BP-e net value field and total value rule change on November 16, 2026](https://harbyn.com/changes/sefaz/2026-10-01-bp-e-layout-and-validation-updates.md) (Behavior change, effective Nov 16, 2026) - [NF-e referencing an NFC-e or CF-e rejected from December 14, 2026](https://harbyn.com/changes/sefaz/2026-10-01-danfe-simplificado-tipo-2-for-in-person-and-remote-sales.md) (Behavior change, effective Dec 14, 2026) - [IBS/CBS tax classification table updated](https://harbyn.com/changes/sefaz/2026-10-01-ibs-cbs-tax-classification-table-updated.md) (Behavior change, announced Oct 1, 2026) - [NF-e/NFC-e net product value fields and prepaid ICMS group on November 3, 2026](https://harbyn.com/changes/sefaz/2026-10-01-layout-and-validation-rules-update.md) (Behavior change, effective Nov 3, 2026) ### Changes at other vendors - [Asaas: Simples Nacional NFS-e integrations must migrate to the national portal by November 1](https://harbyn.com/changes/asaas/2026-10-20-nfs-e-migracao-obrigatoria-do-simples-nacional-para-o-portal-nacional-em-01-11-2.md) (effective Nov 1, 2026) - [Conta Azul: Financial account creation is synchronous](https://harbyn.com/changes/contaazul/2026-10-19-financial-account-creation-is-synchronous.md) (announced Oct 19, 2026) - [Cielo: TransactionLinkId (TLID) required on Mastercard merchant-initiated transactions from October 23, 2026](https://harbyn.com/changes/cielo/2026-10-07-tlid-obrigatorio-para-transacoes-mit-mastercard.md) (effective Oct 23, 2026) - [NFS-e Nacional: Technical Note 009 v1.01 restructures the DPS and NFS-e layout for the tax reform](https://harbyn.com/changes/nfse-nacional/2026-10-01-nfs-e-layout-updates-for-the-consumption-tax-reform.md) (announced Oct 1, 2026) [All upcoming deadlines](https://harbyn.com/deadlines.md)