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Obtaining a SIGEN-CA digital certificate

For individuals, a SIGEN-CA certificate is free. First applications normally require personal identification at a registration authority; follow the official code-delivery and collection instructions.

AreaExams and certificates
Official sourceSI-TRUST
Content reviewedOctober 21, 2026
At a glance

For individuals, a SIGEN-CA certificate is free. First applications normally require personal identification at a registration authority; follow the official code-delivery and collection instructions.

Key information

Where to make your first applicationIn person at a SIGEN-CA registration office in an administrative unit. Slovenian citizens abroad may apply at a diplomatic or consular mission.
What to bringA valid identity document (ID card, passport or driving licence) and your email address. A revocation password and telephone number are recommended.
Who is eligibleA person with legal capacity who is over 15 years old and recorded in the official registers, or who has a Slovenian tax number and EMŠO personal identification number.
FeeThe SIGEN-CA certificate is free for natural persons.
Collecting the certificateThe eight-digit reference number arrives by email; the 14-character authorisation code arrives by ordinary post. Collect the certificate within 60 days.
RenewalAn existing holder may submit an electronically signed renewal request at most two months before expiry. After expiry, a new application must be made in person.

Step-by-step instructions

  1. 1
    Check whether you need your first certificate or a renewal.

    If you hold a valid SIGEN-CA certificate with no more than two months remaining, you may submit a renewal request online. The first application, or an application after expiry, requires an in-person visit.

  2. 2
    Prepare an identity document and your email address.

    Bring a valid ID card, passport or driving licence. Choose a revocation password of up to 20 letters and digits, which can be used to revoke the certificate by telephone later.

  3. 3
    Apply in person at an administrative unit.

    Before visiting, check which office accepts SIGEN-CA applications and whether an appointment is required. The officer verifies your identity and records the application.

  4. 4
    Wait for the reference number and authorisation code.

    After approval you receive an eight-digit reference number by email (also check your spam folder), and a 14-character authorisation code in the format XXXX-XXXX-XXXX by ordinary post.

  5. 5
    Collect the certificate within 60 days and make a backup.

    Enter both codes on the official SI-TRUST certificate collection page; the certificate is installed in your browser. Create a password-protected backup. Prijava.si does not collect your codes or identification data.

Before submitting, check

  • whether your existing certificate is still valid and qualifies for an online renewal request
  • which administrative-unit office handles requests and whether booking is required
  • a valid ID, working email address and a selected revocation password
  • whether you can collect the certificate within 60 days after receiving both codes
Deadlines and conditions can change. If our summary differs from the latest official notice, the responsible institution’s official information prevails.

Frequently asked questions

Where can I obtain a SIGEN-CA digital certificate?

Individuals make their first application in person at a SIGEN-CA registration office in an administrative unit. Slovenian citizens abroad may apply through a diplomatic or consular mission.

How much does a SIGEN-CA certificate cost?

It is free for individuals. Different published fees apply to business certificates.

What do I need to apply for SIGEN-CA?

A valid identity document and an email address. A revocation password and telephone number are also recommended.

My reference number or authorisation code did not arrive. What should I do?

The reference number arrives by email, so check the spam folder. The authorisation code arrives by ordinary post. Collection details are valid for 60 days. If less than six months have passed since your application, SI-TRUST support may issue new collection details.

Can I renew SIGEN-CA online?

Yes, while the existing certificate is still valid. An electronically signed renewal request may be submitted no earlier than two months before expiry. After expiry, apply again in person.

Do I need SIGEN-CA to activate smsPASS?

No. You may verify your identity for smsPASS by visiting an SI-TRUST registration office at an administrative unit.

Registering for a Slovenian-language examinationCheck the required level, examination provider, scheduled dates, fee and certificate suitable for your purpose.Requesting a criminal-record certificateCheck which type of certificate the recipient requires and which official request procedure applies.Requesting a residence certificateAn official certificate of registered residence may be available. Check online and in-person application options.Applying for postal votingSpecial voting methods have election-specific statutory deadlines. Always check the current instructions of the State Electoral Commission (DVK).