These can only be made personally
You, yourself or as the legal representative of a legal person, may authorize a third person to make the application for the issue of the certificate.
To this effect, a written and signed declaration must be issued, stating:
a) Your identification (full name and citizen card number or identity card, or other valid and qualified document with signature) and, if applicable, your condition as legal representative; b) The identification of the authorized person (full name and citizen card number or ID card, or other valid and qualified document with signature); c) A declaration that authorizes the application for issuing the certificate and the purpose of the certificate; d) Your signature, according to the document mentioned in the authorization.
The authorized person must apply for the certificate personally at any of the attendance services, where it is possible the issue of certificates.
The third person must present:
a) The authorization of the applicant, or of the representative of the legal person; b) Her / his identification document mentioned in the authorization; c) The identification document of the holder of the information mentioned in the authorization, or a certified copy - this copy (or image) of the ID document must be signed by the holder and with written mention: “this copy of my identification document is only to request my criminal record certificate”; d) In the case of a legal person, a document attesting that the authorizer person is the legal representative of the company (for example, with the permanent certificate of the company, or a current certificate from the commercial register).
More information at this website
https://dgaj.justica.gov.pt/Registo-criminal/Criminal-record-certificate
