Specifies whether the payment discount is calculated based on amounts including or excluding GST.
If the check box is selected, the payment discount excluding GST is calculated based on the information described in the following table.
| Type | Payment discount calculations are based on |
|---|---|
Orders and invoices | The Amount field in the Sales Line table. |
Journals | The Sales/Purch. (LCY) field in the Gen. Journal Line table. |
If the check box is cleared, the payment discount is calculated on amounts including GST based on the information described in the following table.
| Type | Payment discount calculations are based on |
|---|---|
Orders and invoices | The Amount Including GST field in the Sales Line table. |
Journals | The Amount field in the Gen. Journal Line table. |
 Important |
|---|
| If the check box is cleared, GST is not calculated on a payment discount. Therefore, you cannot select the Adjust for Payment Disc. check box because there is no need to recalculate GST amounts. |
 Tip |
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For more information about how to work with fields and columns, see Working with Microsoft Dynamics NAV. For more information about how to find specific pages, see Search. |