This document specifies requirements for implementing electronic archiving trust services with specific regard to: Functional requirements for electronic archiving to ensure the receipt, storage, retrieval and deletion of electronic data and electronic documents in order to ensure their durability and legibility as well as to preserve their integrity, confidentiality and proof of origin throughout the preservation period. Requirements for qualified electronic archiving trust services, aiming to fulfil the provisions outlined in Article 45j of the eIDAS Regulation 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. Procedures and technologies to 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. Procedures and technologies that allow authorized relying parties to receive a report in an automated manner that confirms that electronic data and electronic documents retrieved from a QEATS qualified electronic archive trust service enjoy the presumption of integrity of the data from the beginning of the preservation period to the moment of retrieval.