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E-mail
Private clients
Information
Safety instructions
Legal issues
Installation Software
Previous version
Support
FAQ
Questions about passwords
I have forgotten my password (PIN), what can I do?
Can I continue to use the transport PIN unchanged?
Can I change the password / PIN I selected?
Can I have my password / PIN reset?
My PostCertificate has been blocked, what can I do?
Why do I need the second password on the sealed page?
Questions about documents and the Yellow Identification
Can a driving licence be used as an identity document?
Does a trade register excerpt via Zefix suffice?
Does the passport or ID of the cosignatories also have to be certified?
Do I as a foreigner definitely have to make the Yellow ID at a Swiss post office?
Do I need a new Yellow ID for an extension/new registration?
Which documents do I need to have for the PostCertificate?
Why do I have to send a certified copy of the ID/passport?
How long is the trade register excerpt valid?
For how long is a Yellow ID valid?
Questions about publishing certificates
Are all certificates published?
Where can I find out if a person/company also has a PostCertificate?
Questions about registration
I sent my application a few days ago and have not received anything yet. Is that normal?
Which characters and special characters are allowed in the registration?
Questions about the installation of the PostCertificate
I have problems installing the drivers and utility programs, what can I do?
I have problems with the initialisation (activation) of my PostCertificate. Who can help me?
With which operating systems and programs is the PostCertificate compatible?
Do I need to have administrator rights on my computer for the installation?
How do I install my PostCertificate?
Questions about multiple use of a PostCertificate
Can the PostCertificate be used as a server version by all of my employees?
Can several PCs use the same PostCertificate?
Questions about Abacus Fiduciary
I have problems logging on to my AbaWeb. What can I do?
Questions about the period of validity or the status of a PostCertificate
I would like to extend my PostCertificate, what can I do?
My PostCertificate has expired, what do I need to bear in mind?
How long is my PostCertificate still valid?
Where can I check the status of my PostCertificates?
What can a PostCertificate do and who is it available for?
Is the PostCertificate also available to download as a software certificate?
I do not come from Switzerland. Can I still have a PostCertificate?
Is the PostCertificate legally valid?
Can the PostCertificate sign VAT-compliant documents?
What can I do with a PostCertificate?
Questions about blocking / revoking
Revocation with a valid certificate does not work because my certificates are not dis-played. What do I have to do?
I suspect that someone is misusing my certificate, what should I do?
I no longer need my PostCertificate, how can I cancel it?
I have lost my PostCertificate, what should I do?
My PostCertificate has been stolen, what should I do?
How can I have my PostCertificate blocked?
Questions about changes in your address information or job
I am changing my e-mail address, what can I do?
I have changed job. May I continue to use my PostCertificate Business?
I am getting married and therefore changing my name, what do I need to bear in mind?
I am moving, what happens with my PostCertificate?
Questions about technical defects
My PostCertificate is no longer recognised, is it defective?
Technical information on the PostCertificate
Are there backup copies?
Can I use a card reader with its own keyboard?
What does triple keying mean?
What type of keys are used?
Which signature algorithm is used?
Does the PostCertificate work with the standard card API fro
Can I reuse the PostCertificate?
Can I store other certificates on the chip card?
Why is there no escrow (PUK) for the signature key?
What does dual keying mean?
What type of certificates are used?
What type of certificate profiles are supported?
Which interfaces does PostCertificate support?
Which certifications does the PostCertificate have?
Which signature algorithm is used?
Where are my keys generated?
Where are my certificates issued?
Downloads
Revocation
Business clients
Information
Safety instructions
Legal issues
Installation Software
Previous version
Support
FAQ
Questions about passwords
I have forgotten my password (PIN), what can I do?
Can I continue to use the transport PIN unchanged?
Can I change the password / PIN I selected?
Can I have my password / PIN reset?
My PostCertificate has been blocked, what can I do?
Why do I need the second password on the sealed page?
Questions about documents and the Yellow Identification
Can a driving licence be used as an identity document?
Does a trade register excerpt via Zefix suffice?
Does the passport or ID of the cosignatories also have to be certified?
Do I as a foreigner definitely have to make the Yellow ID at a Swiss post office?
Do I need a new Yellow ID for an extension/new registration?
Which documents do I need to have for the PostCertificate?
Why do I have to send a certified copy of the ID/passport?
How long is the trade register excerpt valid?
For how long is a Yellow ID valid?
Questions about publishing certificates
Are all certificates published?
Where can I find out if a person/company also has a PostCertificate?
Questions about registration
I sent my application a few days ago and have not received anything yet. Is that normal?
Which characters and special characters are allowed in the registration?
Questions about the installation of the PostCertificate
I have problems installing the drivers and utility programs, what can I do?
I have problems with the initialisation (activation) of my PostCertificate. Who can help me?
With which operating systems and programs is the PostCertificate compatible?
Do I need to have administrator rights on my computer for the installation?
How do I install my PostCertificate?
Questions about multiple use of a PostCertificate
Can the PostCertificate be used as a server version by all of my employees?
Can several PCs use the same PostCertificate?
Questions about Abacus Fiduciary
I have problems logging on to my AbaWeb. What can I do?
Questions about the period of validity or the status of a PostCertificate
I would like to extend my PostCertificate, what can I do?
My PostCertificate has expired, what do I need to bear in mind?
How long is my PostCertificate still valid?
Where can I check the status of my PostCertificates?
What can a PostCertificate do and who is it available for?
Is the PostCertificate also available to download as a software certificate?
I do not come from Switzerland. Can I still have a PostCertificate?
Is the PostCertificate legally valid?
Can the PostCertificate sign VAT-compliant documents?
What can I do with a PostCertificate?
Questions about blocking / revoking
Revocation with a valid certificate does not work because my certificates are not dis-played. What do I have to do?
I suspect that someone is misusing my certificate, what should I do?
I no longer need my PostCertificate, how can I cancel it?
I have lost my PostCertificate, what should I do?
My PostCertificate has been stolen, what should I do?
How can I have my PostCertificate blocked?
Questions about changes in your address information or job
I am changing my e-mail address, what can I do?
I have changed job. May I continue to use my PostCertificate Business?
I am getting married and therefore changing my name, what do I need to bear in mind?
I am moving, what happens with my PostCertificate?
Questions about technical defects
My PostCertificate is no longer recognised, is it defective?
Technical information on the PostCertificate
Are there backup copies?
Can I use a card reader with its own keyboard?
What does triple keying mean?
What type of keys are used?
Which signature algorithm is used?
Does the PostCertificate work with the standard card API fro
Can I reuse the PostCertificate?
Can I store other certificates on the chip card?
Why is there no escrow (PUK) for the signature key?
What does dual keying mean?
What type of certificates are used?
What type of certificate profiles are supported?
Which interfaces does PostCertificate support?
Which certifications does the PostCertificate have?
Which signature algorithm is used?
Where are my keys generated?
Where are my certificates issued?
Downloads
Revocation
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