A technical connection cannot decide what a business is obliged to issue, retain or disclose. Use the official resources to prepare questions for your accountant, provider or privacy adviser.
Electronic invoicing
The DGI incorporation guide describes the official starting process and provider considerations. Confirm the requirements for your actual situation before implementing an order-to-document connection.
Personal information
The URCDP is the official starting point for personal-data protection questions. Map the fields, destinations and access roles in your proposed service so an adviser can assess the real flow.
These links are research resources, not endorsements, partnership claims or confirmation of eligibility.