VAT in the Tripletex integration
This article explains how VAT is handled when accounting data is exported from Telaris to Tripletex.
The most important thing to understand is that Telaris does not send the VAT rate or VAT code directly to Tripletex. VAT is controlled by the account used in Tripletex.
TABLE OF CONTENTS
- VAT in the Tripletex integration
- Introduction to VAT handling
- Overview of the VAT flow
- Troubleshooting and common errors
Introduction to VAT handling
When invoices, credit notes, or vouchers are exported from Telaris to Tripletex, each posting must be booked with the correct account and the correct VAT handling.
In the Tripletex integration, it is the account in Tripletex that determines the VAT handling.
So Telaris does not send a separate VAT rate or VAT code to Tripletex. Instead, Telaris looks up the account in Tripletex, and Tripletex uses the VAT type configured on that account.
Tip: If VAT is wrong in Tripletex, you should first check the account that is used, not the invoice itself.
Overview of the VAT flow
VAT handling is controlled through the interplay between the product class in Telaris, the account number, and the VAT type on the account in Tripletex.
Guide: Product class
VAT is controlled by the account in Tripletex
When an invoice line is exported, Telaris first finds which account to use.
The account is normally taken from the product class in Telaris.
Telaris then looks up the same account number in Tripletex's chart of accounts.
When the account exists in Tripletex, the VAT type configured on that account is used.
Example:
The product class in Telaris uses account 3000
Account 3000 exists in Tripletex
Account 3000 in Tripletex has a VAT type for outgoing VAT at the high rate
The posting then gets VAT based on this VAT type
NOTE: Telaris does not send the VAT code or VAT rate directly. VAT is inherited from the account in Tripletex.
The difference between account and VAT type
It is important to distinguish between account and VAT type.
Accountdetermines where the posting is booked in the accounts, for example sales revenue or VAT-exempt sales.
VAT typeis a setting on the account in Tripletex that determines how VAT is handled.
A VAT type in Tripletex determines, among other things:
VAT code
VAT rate
How VAT is booked
This means two accounts can have different VAT handling even if they are used for similar sales types.
NOTE: A wrong VAT type on the account in Tripletex gives wrong VAT on the posting, even if the invoice in Telaris looks correct.
How Telaris chooses the account
Telaris chooses the account based on the setup on the product class.
Normally, the sales account set on the product class is used.
In some cases, other accounts can be used:
The zero-VAT account is used when the VAT percentage is 0
A partner or factoring account can be used for special partner setups
A purchase account can be used for negative sales lines when the product class is set up for this
The account chosen in Telaris must exist with the same account number in Tripletex.
Tip: For VAT errors, you should check both the product class in Telaris and the VAT type on the account in Tripletex.
Zero-VAT account
Product classes can have a separate account for lines without VAT.
This is often called the zero-VAT account.
When an invoice line has 0% VAT, Telaris can use the zero-VAT account instead of the normal sales account.
This ensures the line is booked on an account in Tripletex that has the correct VAT type for 0% VAT.
For this to work:
the zero-VAT account must be set on the product class in Telaris
the same account number must exist in Tripletex
the account in Tripletex must have the correct VAT type for 0% VAT
NOTE: If the zero-VAT account is missing or has the wrong VAT type in Tripletex, 0% lines can be booked incorrectly.
The wrong account gives the wrong VAT
Since VAT is inherited from the account in Tripletex, the wrong account will often give the wrong VAT.
Examples:
A product uses the normal sales account but should have used the zero-VAT account
The account exists in Tripletex but has the wrong VAT type
The product class points to the wrong account
A negative line uses a purchase account with the wrong VAT setup
In such cases, the error must normally be fixed in the account setup, not on the invoice itself.
NOTE: Correct VAT in Tripletex requires that both the Telaris account and the Tripletex account's VAT type are set up correctly.
Troubleshooting and common errors
If VAT is wrong in Tripletex, you should check the following:
Which product class the invoice line uses
Which account the product class points to
Whether the account exists in Tripletex
Which VAT type the account has in Tripletex
Whether the zero-VAT account is set for 0% VAT
Typical errors:
Account is missing in Tripletex:the account number from Telaris does not exist in Tripletex's chart of accounts.
Wrong VAT on the invoice:the account in Tripletex has the wrong VAT type.
0% line gets wrong VAT:the zero-VAT account is missing or incorrectly configured.
Export fails:the product class points to an account that does not exist in Tripletex.
In short:
Telaris chooses the account
The Tripletex account determines VAT
The VAT type must be correct on the account in Tripletex
Tip: For VAT discrepancies, you should first find the account used on the posting, and then check the VAT type on that account in Tripletex.

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