ID – Verification of validity of Czech identity card

Are you unsure of the validity of a piece of identification presented to you, or do you need to check the validity of a Czech identity card as part of a business process?

Our product allows you to analyze information from the MRZ strip of Czech identity cards online, along with security keys validating their authenticity.

How does the Czech ID card validity check work online?

After validation of your purchase, you will receive an email with the credentials to connect to our identity web application (check in spam a few minutes after purchase if you have not received the activation email).

You’ll then have access to the various tools available, including identity document verification: simply send the document from the web application, and the results are available immediately.

Full details can be found on the Suite web identité product page.

Professionals, do you need to integrate identity document validation into your CRM / ERP / business application?

We also offer a service that enables you to check all proofs of identity or resources by API AND via our web application.

You can find all the details on these links :

• Identity API
• Resources API

How are the results of the analysis of the validity of the Czech ID card presented?

The results of the analysis are available for download from the history of the identity suite in PDF / JSON / XML format:

What document formats are accepted?

You can send your documents as jpg / jpeg / png images, or as PDF files.

Scans/photos don’t need to be cropped or retouched: they are automatically detected during the Czech ID validity check.

You can send the front and back of the part on the same scan in any order (front first and back underneath, or vice versa): they will be sorted and recognition will be trouble-free.

The same goes for inclination: scans may be a little tilted/misaligned: they will be recognized by our service!

How does the Czech ID card validity check work?

A machine-readable zone, or machine-readable zone, is an area on an official document reserved for reading, identifying and validating the document.

For example, documents such as passports, national identity cards, residence permits and driving licenses can or must include an optical reading zone, depending on the country and version of the document.

It is located at the bottom of identity documents: it contains all the information on the document, with security keys to check that it is authentic and has not been altered.

The information it contains varies according to the type of document.

How is the MRZ Czech ID card made up of the stripe?

Cards issued from 2021 onwards will feature three lines of text, each containing alphanumeric characters.

For more detailed information, please consult our article at the following address: Secure file – Checking the MRZ band on an electronic identity card.

What data is extracted from a strip MRZ Czech ID card?

The data extracted from the MRZ strip Czech ID card are as follows:

• Front row:

1. Document Type: 2 characters, code indicating the type of document, represented by the letters “ID”.
2. Issuing country: 3 characters, the ISO 3166-1 alpha-3 code of the issuing country. For France, this is “FRA”.
3. Card number : 9 characters, unique card number.
4. Control key: 1 character, control key for the card’s unique number.
5. End of line: 15 characters, ” < ” to complete the line.

• Second line:

1. Date of birth : 6 characters, year, month and day of birth in YYMMDD format.
2. Control key: 1 character, control key for date of birth.
3. Gender: 1 character, “M” for male, “F” for female.
4. Expiry date: 6 digits, card expiry date in YYMMDD format.
5. Control key: 1 character, expiry date control key.
6. Country code: 3 characters, ISO 3166-1 alpha-3 code of the holder’s nationality (in this case FRA).
7. Date created : 4 characters in AAMM format
8. End of line : 11 characters, chevrons to complete the line.
9. Control key: 1 character, control key for concatenation of characters line 1 6-15, line 2 1-7, line 2 9-15.

• Third line:

1. Holder’s surname and first names: holder’s surname and first names, beginning with the family name followed by the first name. The surname and first name are separated by two characters. <. In the case of a compound surname, a compound first name or several first names, they are separated by the character <. Spaces and apostrophes are replaced by the character < and the name is truncated to 30 characters if necessary, and any accents on the letters are removed. The line is then completed with the <.

Am I charged if the information is not retrieved correctly from the Czech ID Card validity check?

The answer is no! Only correctly recognized documents are billable!

If the attachment is not detected or is detected incorrectly, you will not be billed: only a successful analysis will be deducted from your verification credits.

Personal data

You can delete all data once the report has been downloaded: simply delete the analysis from the web interface history!

Data is also automatically deleted after 3 months.

You can find detailed information about personal data on our dedicated page: Privacy policy.

Terms and conditions of sale

You can find the details of our general terms and conditions of sale at the following address: TrustDocHub T&Cs.