The same account can be used for both ATA Carnet app and ATA Carnet Desktop
TABLE OF CONTENTS
ATA Carnet App
Below are the instructions to register to the ATA Carnet app.
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The personal information you enter will be stored. If you submit declarations, this information will be used to sign your digital declarations and will be visible to Customs officials during carnet transactions.
Please ensure that your name exactly matches the name on your passport or ID document.
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ATA Carnet Desktop
Once you are redirected to the correct URL, you arrive at the login page. Clicking on “Log In” presents options to either register a new account or access an existing one. To register, follow the instructions on screen. If you have previously logged in, selecting “Log In” will return you directly to your ATA Carnet Desktop session, allowing you to pick up right where you left off.

When registering for the first time, you will have to fill in the required fields and click on Create.
The personal information you enter will be stored. If you submit declarations, this information will be used to sign your digital declarations and will be visible to Customs officials during carnet transactions.
Please ensure that your name exactly matches the name on your passport or ID document.

Existing account users can also create additional accounts for colleagues from the Accounts section in ATA Carnet Desktop.
The Accounts section is only available to users with a management role and lists all users connected to your company, so you can manage their roles and permissions.

Holder Manager vs Holder
In ATA Carnet Desktop (ACD), the Holder Manager role includes all the capabilities of a Holder, plus additional administrative functions.
A Holder Manager can manage the company account (users, access, carnet overview), while a Holder focuses on operational use of carnets, such as preparing travels, accessing carnets, and signing declarations.
In short:
- Holder = operational carnet use
- Holder Manager = operational use + account and user administration
Inviting colleagues (Holders) to your company account
Users with a management role can invite colleagues to their company account from the Accounts section in ATA Carnet Desktop.
When a user is invited, the system sends an email notification informing them that they have been granted access to the ATA Carnet System.
If the invited user does not yet have an ATA Carnet account, they should follow the registration instructions and use the same email address to which the invitation was sent. Once registration is completed, the user is linked to the company account.
If the invited user already has an ATA Carnet account, the existing account restrictions described below continue to apply.
⚠️ Limitation when inviting users with an existing account
If you try to invite a user whose email address is already registered as a holder account in the ATA Carnet System, the invitation will not be possible and the system will display the message:
“Email already exists.”
This means that only users who do not yet have an account can be invited directly via the Accounts section.
✅ Workaround (for existing users)
If the person you want to invite already has an ATA Carnet account, the account must first be deleted before they can be invited to your company.
This action must be performed by the user:
- Log in to the ATA Carnet mobile application (ACA)(Android or iOS)
- Go to Settings
- Select “Delete my account”
Once the account has been deleted, you can invite the user again using the same email address.
ℹ️ Why this limitation exists
This behaviour is intentional and ensures that existing user accounts cannot be reassigned to another company without the user’s explicit action, protecting account ownership and system security.
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