What's new: Tax Authority (AT) communications
A real log of what was built and shipped in Tax Authority (AT) communications, most recent first: never a roadmap promise.
October 2026
Oct 18, 2026
In invoice reporting to the AT, the “paperless” flag is set to 1 only on invoices sent and accepted as UBL e-invoices
Oct 17, 2026
On the e-invoice (CIUS-PT), withholding tax reduces the amount payable
Oct 14, 2026
AT vault closed to everyone, administrator included: credentials are managed by Tax Administration, which only sees the mask; no one can grant themselves that access
Oct 14, 2026
AT communications: upload the test certificate (.pfx) on the credentials screen, with a write-only password
Oct 14, 2026
AT communications: endpoints configurable in Settings, with test mode mandatory in test environments
Oct 10, 2026
AT communication fields and rules only appear for Portuguese companies
Oct 10, 2026
E-invoicing to the State (B2G): generated invoices pass the official CIUS-PT rules (proven with simulator only)
Oct 10, 2026
Early warning and refusal to send when the AT certificate or key expires
Oct 10, 2026
AT communications following the official schemas
Oct 10, 2026
Single screen showing AT communication readiness, per environment
Oct 10, 2026
Import of electronic green receipts (recibos verdes) from the Finance Portal, without duplicates
Oct 10, 2026
AT communication messages in European Portuguese
Oct 10, 2026
Software certificate number and establishment identified in submissions to AT
Oct 10, 2026
The software is ready to connect to AT services (series, invoices, and delivery notes); proven with simulator only
Oct 9, 2026
E-invoicing to public entities (B2G) and electronic document exchange
Oct 3, 2026
Intra-community VAT number validation (VIES) when registering partners
Oct 2, 2026
EU VAT number validation (VIES) with valid, invalid, or service-unavailable result, with logging
Oct 2, 2026
e-Fatura: predefined classification by NIF and type, reconciliation map, and account suggestion based on history
Oct 1, 2026
Alert to administrators when an external connection fails repeatedly, with a status dashboard
Oct 1, 2026
Cancel and finalize a document series with AT
Oct 1, 2026
Dashboard of pending communications and calendar of AT obligations, with alerts
Oct 1, 2026
AT communications can only be made by the Tax Officer
Oct 1, 2026
Communicate invoices to AT one document at a time, with the status of each
Oct 1, 2026
Communication of delivery notes to AT and of destination changes
Oct 1, 2026
Monthly invoice communication to AT via SAF-T file, with prior file validation
Oct 1, 2026
Query AT for the status of a communication or document whose result is unknown
Oct 1, 2026
Securely store, per company, the credentials and certificate for accessing AT services
Oct 1, 2026
Import the purchases file from the e-Fatura Portal and reconcile it with supplier invoices
Oct 1, 2026
Register a document series with AT, with confirmation and validation code
Oct 1, 2026
Log of all AT communications, with the status of each submission and controlled, audited resubmission