These docs are for businesses, not ID holders. You can’t use them to verify your own ID. For help with your ID, contact the government office that issued it.
Cartão de Cidadão
Verify identities using Cartão de Cidadão, Portugal’s national citizen card combining physical and digital identity features.
The Cartão de Cidadão is Portugal’s national citizen card combining physical and digital identity features. User inserts the citizen card and enters a PIN; the chip signs a challenge and shares identity attributes verified by Portugal’s government. To learn more, visit the Cartão de Cidadão website.