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Posting a purchase invoice with two VAT lines

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Posted on by AA-28031406-0

Hi all,

I need some help with inputting and posting a purchase order via an item.

The item in question is a static caravan, the purchase has both 5% and 20% VAT lines. Within the item is a unit, the unit thus being the static caravan.

I can add both VAT lines fine, with a quantity of 1. When posting the purchase invoice this makes the inventory for the item "2" rather than "1".

I'm using Elite Dynamics which is using the Dynamics 365 Business Central platform.

The attachment had three vat lines, zero, 5 and 20%. Using a quantity of 1 for each line populated the inventory for this item to 3.

Many thanks

Alex

Categories:

Dynamics 365 Business Central

Dynamics 365 Finance

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Jonas "Jones" Melgaard 4,980 Most Valuable Professional on at

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Hi Alex,

I have moved your question from the D365 Finance forum to the SMB forum that supports Business Central. Hope you don't mind.

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Mansi Soni 8,907 Super User 2025 Season 2 on at

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Hello, It looks like the issue arises because each VAT line is being treated as a separate item entry, increasing the inventory count incorrectly. Since the static caravan should be a single unit, the best approach is to structure the purchase invoice differently. Instead of adding multiple lines with different VAT rates under the same item, consider using G/L accounts or item charge lines to handle VAT separately.
Since you're using Elite Dynamics on Business Central, you might also want to check if any customizations are affecting this behavior. Debugging or reviewing the posting setup would be the best way to ensure that the correct VAT rates apply without inflating inventory.

Hope this answer will help you!

Regards,
Mansi Soni

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Jainam M. Kothari 15,639 Super User 2025 Season 2 on at

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Hello,

You're facing an issue where VAT lines are affecting your inventory count in Dynamics 365 Business Central. To resolve this, ensure your VAT setup is correct, adjust quantity handling to prevent each VAT line from being counted as a separate item, use item tracking for accurate inventory management, and review purchase order posting to keep the total quantity correct.

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Vahid Ghafarpour 12,122 Super User 2025 Season 2 on at

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