1. Qualified electronic archive services shall meet the following requirements:

(a) they are provided by qualified trust service providers;

(b) they use procedures and technologies capable of ensuring the durability and legibility of electronic data and electronic documents beyond the technological validity period and at least throughout the legal or contractual preservation period, while maintaining their integrity and the accuracy of their origin;

(c) they ensure that those electronic data and those electronic documents are preserved in such a way that they are safeguarded against loss and alteration, except for changes concerning their medium or electronic format;

(d) they shall allow authorised relying parties to receive a report in an automated manner that confirms that electronic data and electronic documents retrieved from a qualified electronic archive enjoy the presumption of integrity of the data from the beginning of the preservation period to the moment of retrieval.

The report referred to in point (d) of the first subparagraph shall be provided in a reliable and efficient way and shall bear the qualified electronic signature or qualified electronic seal of the provider of the qualified electronic archiving service.