Artikel 38

1. Member countries or designated operators may agree with each other to participate in the following electronic postal services, which are described in the Regulations:
1.1 electronic postal mail, which is an electronic postal service involving the transmission of electronic messages and information by designated operators;
1.2 electronic postal registered mail, which is a secure electronic postal service that provides proof of sending and proof of delivery of an electronic message and a secure communication channel to the authenticated users;
1.3 electronic postal certification mark, which provides evidentiary proof of an electronic event, in a given form, at a given time, and involving one or more parties;
1.4 electronic postal mailbox, which enables the sending of electronic messages by an authenticated mailer and the delivery and storage of electronic messages and information for the authenticated addressee.