Briefings

Portuguese fiscal rules, and what they mean for D365FO

Short readings of new legislation, tax authority guidance and Microsoft platform changes. Each one starts with who it affects and what it means for a Dynamics 365 Finance & Operations system.

Decree-Law 28/2019 · State Budget 2027

Qualified signatures on invoices: another year, and how ERPs are adapting

The status of the qualified electronic signature requirement for PDF invoices in Portugal, and what ERP vendors and Dynamics 365 are doing about it.

17 October 2026
Microsoft · Power Platform admin center

Service updates in unified environments: why developers should test against two versions

How the Power Platform admin center handles Finance and Operations service updates, and what it means for which versions a developer should test.

17 October 2026
AT · Ofício Circulado 25120/2026

Credit notes are not for cancelling invoices: what AT Circular 25120/2026 changes

A short reading of the Portuguese tax authority's July 2026 circular on invoice rectification, and the questions it raises for billing systems.

17 October 2026
Microsoft · Data archiving

Archiving D365FO data to Dataverse long term retention: what the docs say, and what I would ask in Portugal

A plain reading of Microsoft's Archive with Dataverse long term retention feature, and the questions it raises for Portuguese fiscal records.

17 October 2026
Decree-Law 28/2019 · eIDAS

What the 2027 signature deadline actually means for an ERP

Portugal keeps pushing back the qualified-signature requirement for e-invoices. I looked into why it's not just an extension of the hash chain ERPs already implement.

24 August 2026
Portaria 363/2010 · Portaria 195/2020

What I've learned about Portuguese fiscal compliance in D365FO

A few notes on why Portugal keeps getting scoped too late in D365FO rollouts, and what that means for the software itself.

15 June 2026