AS4means a message protocol based on web services to securely exchange messages between two parties;
authenticationmeans an authentication as defined in point (5) of Article 3 of Regulation (EU) No 910/2014;
central authentication servicemeans a service operated by the Commission that authenticates senders that use the reporting interface module;
central registrymeans a registry operated by the Commission that holds senders’ registration data provided by the Member States with the purpose of facilitating the authentication of senders;
certificatemeans a qualified certificate for electronic seal defined in Article 3(30) of Regulation (EU) No 910/2014 issued by a qualified trust service provider as defined in Article 3(20) of Regulation (EU) No 910/2014;
electronic identification meansmeans an electronic identification as defined in point (2) of Article 3 of Regulation (EU) No 910/2014;
formalitymeans the formality as defined in article 1 of Commission Implementing Regulation (EU) 2023/204;
identificationmeans electronic identification as defined in point (1) of Article 3 of Regulation (EU) No 910/2014;
messagemeans a digital representation of formalities or response messages used for the exchange between the sender and the MNSW;
message implementation guidemeans a functional specification laying down standards and messages to be exchanged between senders and MNSWs through the reporting interface module;
national authentication servicemeans a service operated by a Member State that may be used to authenticate senders that use the reporting interface module.
national registrymeans a registry operated by a Member State that holds senders’ registration data and can be used to facilitate the authentication of senders if compliant with the requirements of the central authentication service;
registrationmeans a process where a natural or legal person identifies themselves and creates an account with the authority referred to in Article 12(2) of Regulation (EU) 2019/1239;
reporting interface modulemeans a middleware component of the MNSW referred to in Article 2(4) of Regulation (EU) 2019/1239;
semantic validationmeans a process in which data conformity with specific data rules within a formality is checked;
sendermeans a declarant or data service provider operating the IT system that sends electronic messages to MNSW or receives them via the reporting interface module;
syntax validationmeans the process of checking whether an electronic message is free of programming, structural or stylistic errors;