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Documentation/ Reading correction rules/ Adding a fixed charge to each document

Adding a fixed charge to each document

The supplier applies a fixed charge on every delivery, usually carriage, and does not print it as a line of the document. Without that charge the document does not agree with the invoice that follows.

Symptoms in the documents

How the rule works

The rule adds the charge as a line with its description and its code, takes its share into the tax table and updates the document's totals.

The amount is configured with VAT included, which is how the charge is usually known. The net is worked out from that amount.

Limits of the rule

Documents the rule applies to

The rule applies to the documents processed from the moment it exists. The document already uploaded does not change: as it creates the rule, Dijit IA tells you to delete that document and upload it again. If the error is still there afterwards, go back to the same conversation and it gets looked at.

How to request a correction rule

The amount, the VAT rate and the line's description have to be set. A document where the charge appears in print is useful here.

Rules are created by talking to Dijit IA. Two things are needed:

Dijit IA creates the rule for your company and says in the conversation what it has done. A document belonging to another company on the account cannot be used to create one.

Afterwards, check the result on that supplier's next documents. A rule that cannot find the figure leaves the document unchanged, so the risk is not that it fails: it is that it gets something wrong.

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Last reviewed: 10 October 2026 · The Dijit.app team