data modelmeans the list of information that the competent authorities or bodies shall provide in ELAN in order to produce or transmit a document, in accordance with the relevant Union legislation applicable to the documents concerned, and with the instructions published in series C of the Official Journal of the European Union referred to in Article 1(1), point (j) of Implementing Regulation (EU) 2016/1239;
Master reference numbermeans the reference number of a customs declaration as defined in Article 1(22) of Commission Delegated Regulation (EU) 2015/2446.
national electronic systemmeans the IT system used by the authorities and bodies of Member States and third countries competent to manage and produce the documents listed in Article 4 of Delegated Regulation (EU) 2025/1269;
relevant Union legislationmeans the Union regulations that govern each and any of the documents covered by ELAN and listed in Article 4 of Delegated Regulation (EU) 2025/1269;