# Commission Implementing Decision (EU) 2015/1506 of 8 September 2015 laying down specifications relating to formats of advanced electronic signatures and advanced seals to be recognised by public sector bodies pursuant to Articles 27(5) and 37(5) of Regulation (EU) No 910/2014 of the European Parliament and of the Council on electronic identification and trust services for electronic transactions in the internal market (Text with EEA relevance), Article 2

Extent: E+W+S+N.I.

1. A signature also complies with this Decision if it is in a format other than those referred to in Article 1, provided that:
(a) the trust service provider used by the signatory is established in the United Kingdom or the EU, and
(b) the public sector body in question is offered signature validation possibilities in accordance with paragraph 2, suitable, where possible, for automated processing.
2. The signature validation possibilities shall:
(a) allow the public sector body to validate the received electronic signatures online, free of charge and in a way that is understandable for non-native speakers;
(b) be indicated in the signed document, in the electronic signature or in the electronic document container; and
(c) confirm the validity of an advanced electronic signature provided that:
(1)the certificate that supports the advanced electronic signature was valid at the time of signing, and when the advanced electronic signature is supported by a qualified certificate, the qualified certificate met, at the time of signing, all necessary requirements for qualified status;
(2)the signature validation data corresponds to the data provided to the relying party;
(3)the unique set of data representing the signatory is correctly provided to the relying party;
(4)the use of any pseudonym is clearly indicated to the relying party if a pseudonym was used at the time of signing;
(5)when the advanced electronic signature is created by a qualified electronic signature creation device, the use of any such device is clearly indicated to the relying party;
(6)the integrity of the signed data has not been compromised;
(7)the requirements provided for in Article 26 of Regulation (EU) No 910/2014 , or the corresponding provision of the equivalent EU law (within the meaning given by Article 3(42) of that Regulation), were met at the time of signing;
(8)the system used for validating the advanced electronic signature provides to the relying party the correct result of the validation process and allows the relying party to detect any security relevant issues.

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Source: https://www.legislation.gov.uk/eudn/2015/1506/article/2 (the official version)
Page: https://openlegislation.uk/eu-decision-2015-1506/article-2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.