Online and paper filing contacts of Czech Post
Electronic and analog submissions
Contact information for electronic and paper submissions to Česká pošta, s.p.:
Data messages (submissions in digital form) can be delivered:
- via the data box information system – the maximum size of a single data message is 100 MB,
- by sending an email message to the electronic address of the registry office - the maximum size of a single data message is 10 MB,
- on a portable technical medium.
Data message (digital submission)
Data messages (submissions in digital form) can be delivered:
- via the data box information system – the maximum size of a single data message is 100 MB,
- by sending an email message to the electronic address of the registry office - the maximum size of a single data message is 10 MB,
- on a portable technical medium.
- The size of the DZ must not exceed 100 MB.
- Upon delivery of the DZ, a confirmation (delivery receipt) is sent to the sender. The DZ is delivered at the moment it is downloaded from the DS ČP to the electronic file service environment.
- Upon delivery of the DZ, the recognized electronic signature is checked for all requirements.
- The DZ sent from DS ČP is signed with a recognized electronic signature based on a system qualified certificate.
Rules for submission on a portable technical data carrier:
- An acceptable portable technical data carrier (hereinafter referred to as "carrier") is a CD, DVD, or USB flash drive.
- The submitted carrier will only be returned upon express request made at the time of submission to the registry.
Procedure for incorrect message format:
- If the file attached to the DZ is unreadable for technical reasons (unsupported message format, corrupted file, etc.), the sender will be notified immediately with an explanation of the reason for non-acceptance.
Accepted formats for electronic data messages:
Static text documents and static combined text and image documents:
- PDF, version 1.7 and higher,
- PDF/A, ISO 19005,
- TXT,
- RTF,
- DOC, document in Microsoft Word version 6.0 or higher text editor format,
- DOCX, document in Microsoft Word format, version 6.0 or higher,
- ODT,
- ODS,
- CSV,
- XLS/XLSX,
- ZFO (the ZFO data format is intended solely for processing by technological data boxes).
- ZIP (ZIP File Format, specified in Info-ZIP Application Note 19970311)
- xml (Extensible Markup Language Document)
- PNG, ISO/IEC 15948,
- TIF/TIFF, revision 6 - uncompressed,
- JPG/JPEG/JFIF, ISO/IEC 10918.
- MPEG-4 Part 14 ISO/IEC 14496-14:2003; MP4,
- MPEG-2, ISO/IEC 13818,
- MPEG-1, ISO/IEC 11172,
- GIF.
- MPEG-1 Audio Layer II nebo MPEG-2 Audio Layer II (MP2),
- MPEG-1 Audio Layer III nebo MPEG-2 Audio Layer III (MP3),
- WAV.
- dwg (AutoCAD DraWinG File Format) verze 2007 and higher.
Email address of the Czech Post's central mailroom
In accordance with Decree No. 259/2012 Coll. on the details of file service pursuant to Section 2, paragraphs 2 and 3, Česká pošta, s.p. has set up an electronic address for its central registry office, e-podatelna@cpost.cz, for receiving submissions. For example, submissions relating to suggestions, complaints, disclosure of information in connection with Act No. 106/1999 Coll., on free access to information, as well as submissions in connection with Act No. 110/2019 Coll., the Personal Data Processing Act, or the legal obligations of Česká pošta, s.p.
Requirements for electronic submission:
- A request for information pursuant to Act No. 106/1999 Coll., on free access to information, i.e. a written request for information pursuant to this Act, does not have to be signed with a guaranteed electronic signature.
- Submissions pursuant to Act No. 500/2004 Coll., Administrative Procedure Code, as amended, must be signed with a guaranteed electronic signature.
- Complaints, notifications, and suggestions do not need to be signed with a certified electronic signature. However, the sender's contact information must be provided, otherwise the submission will be considered anonymous.
- The total size of the incoming message must not exceed 10 MB.
- Messages sent to the electronic mailroom of Česká pošta, s.p. may contain attachments in the formats listed above (Accepted formats for electronic data messages).
Confirming received messages:
If Česká pošta, s.p. receives an electronic submission at the electronic address of the registry, it shall notify the sender thereof by e-mail sent to the address specified in the submission. The message shall be signed with a recognized electronic signature of the registry of ČP, s.p. The message shall also contain:
- Short text about delivery
- Date
- Subject of the submission
- Unique identifier under which the submission was received
When an electronic submission is received, the recognized electronic signature or electronic guaranteed seal with a certificate is checked at the same time.
Procedure for incorrect message format.
The electronic mailroom checks whether all the requirements necessary for processing have been met, e.g., legibility of the message, check for the presence of malicious code, recognized electronic signature, etc. Messages in which malicious code has been detected are not processed further. If the sender's email address can be determined from the received message, a notification of the detection of malicious software is sent to that address.
After performing the check, the electronic mailroom sends an email message to the sender's address containing information about the receipt of the submission for further processing. The message confirming receipt of the submission for further processing always includes the recognized electronic signature of the e-mailroom and the date and time when the submission was delivered.
Czech Post Central Mailroom
The central registry office of ČP, s.p. accepts both analog and digital documents. Digital documents are accepted on flash drives formatted for the FAT file system, CD-ROMs, or DVD-ROMs.
Opening hours: Mon–Fri: 6:30 a.m.–3:00 p.m.
Address: Politických vězňů 909/4, 225 99 Praha 1.
Phone contact: 954 402 003, 954 302 210
Mailing address:
Česká pošta, s. p.
P.O.BOX 99
225 99 Praha 025