Writing

Notes on the Portuguese fiscal layer of Dynamics 365 Finance & Operations, written from what I've read and picked up: the legislation, the AT’s published specifications, and documented platform behaviour.

Roughly one note a month. No newsletter, no tracking.

• What the 2027 signature deadline actually means for an ERP 24 August 2026

  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.

• What I've learned about Portuguese fiscal compliance in D365FO 15 June 2026

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