1. The process for the validation of an advanced electronic signature based on a qualified certificate shall confirm the validity of an advanced electronic signature based on a qualified certificate, provided that:

(a) the certificate that supports the signature was, at the time of signing, a qualified certificate for electronic signature complying with Annex I;

(b) the qualified certificate was issued by a qualified trust service provider and was valid at the time of signing;

(c) the signature validation data corresponds to the data provided to the relying party;

(d) the unique set of data representing the signatory in the certificate is correctly provided to the relying party;

(e) the use of any pseudonym is clearly indicated to the relying party if a pseudonym was used at the time of signing;

(f) the integrity of the signed data has not been compromised;

(g) the requirements provided for in Article 26 were met at the time of signing.