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What the VAT posting setup does in Business Central
The VAT posting setup in Business Central determines which VAT accounts your transactions hit in the chart of accounts. You define it as a matrix that combines a VAT business posting group with a VAT product posting group. The result tells the system where the VAT amount should be posted: the sales VAT account, the purchase VAT account, or the reverse charge VAT account.
It works much like the general posting setup, with one key difference. The general posting setup posts into the income statement, while the VAT posting setup only posts into the balance.
How the VAT business and VAT product posting groups work together
The VAT posting setup pulls its values from two sources:
- The VAT business posting group describes who you are selling to or buying from. You assign it to customers and vendors.
- The VAT product posting group describes what you are selling or buying. You assign it to G/L accounts, resources, and items.
When you create a sales or purchase document, this information is transferred onto the document. From there it carries through into the journal lines that the system creates when you post. The combination of the two groups then points to the correct VAT accounts in your chart of accounts.
An example of a VAT posting setup matrix
In a typical setup, the VAT business posting groups cover scenarios like Domestic, EU, and Export. The VAT product posting groups cover the different VAT rates and treatments, for example VAT 25, 12.5, 6.25, and reverse charge. You can also use the VAT posting setup for specific services you want to post.
When you post a transaction for a domestic customer with VAT 25, the combination of those two groups determines which accounts the posting affects. The same logic applies to every other combination in the matrix.
Why the VAT posting setup can get complex in practice
In real life this becomes a complex matrix. Several parameters interact, and the setup decides which one wins when the system determines the final VAT percentage. Getting the combinations right is what keeps your VAT postings landing in the correct accounts.
Q&A
What is the difference between the VAT posting setup and the general posting setup?
Both work as a matrix that combines a business posting group with a product posting group. The difference is where they post. The general posting setup posts into the income statement, while the VAT posting setup only posts into the balance.
Which two posting groups make up the VAT posting setup?
The VAT posting setup combines the VAT business posting group, which describes who you sell to or buy from, with the VAT product posting group, which describes what you sell or buy.
Where do you assign the VAT business and VAT product posting groups?
You assign the VAT business posting group to customers and vendors. You assign the VAT product posting group to G/L accounts, resources, and items.
Which accounts does the VAT posting setup point to?
The VAT posting setup determines where in the chart of accounts the VAT ends up, including the sales VAT account, the purchase VAT account, and the reverse charge VAT account.
How does the VAT information reach the journal lines?
The VAT business and product posting groups are transferred onto your sales and purchase documents. When you post, the system creates journal lines and carries that information through, so the correct VAT accounts are used.