Corporate Mailbox (CK)

Service name 
Corporate Mailbox
Service description 

Pursuant to Act No. CCXXII of 2015 on the general rules of electronic administration and trust services (hereinafter: eAdministration Act), from 1 January 2018 economic organizations are required to maintain connections with the state electronically, which includes the sending of documents from the necessary official contact detail and the receipt of documents on that contact detail, for which the State provides Corporate Mailbox service to economic organizations. Economic organizations have to register for the Corporate Mailbox service by 31 December 2017 at the latest.

Registration for the Corporate Mailbox can be performed at

The Corporate Mailbox facilitates the establishment of connections between economic organizations and bodies providing electronic processing, since every mail item intended for delivery is delivered to the secure, authentic mailbox obtained by the economic organization.

Bodies providing electronic processing can use the Corporate Mailbox by joining the Secure Delivery Service provided by NISZ Zrt. (at present Form Submission Support service).

Corporate Mailbox Q&A (hu)

Related documentation can be found at