Select this option to preserve overrides to sales tax amounts on vendor invoices. For example, you might select this option ...

Select this option to preserve overrides to sales tax amounts on vendor invoices. For example, you might select this option if you always use the sales tax amount that is provided by the vendor, instead of the calculated sales tax amount that is based on the purchase order. If this option is selected and no overrides are entered, the sales tax amount depends on the selection in the Sales tax direction field in the Sales tax transactions page. If the Sales tax receivable option is selected, and if the Ignore calculated sales tax option in the Vendor invoice page is selected, the sales tax amount is 0.00. If the Sales tax receivable option is not selected, or if the Ignore calculated sales tax option is not selected, the calculated sales tax amount is used. If this option is selected and the invoice is created by a service, the Ignore calculated sales tax option in the Vendor invoice page is automatically selected. If the Keep sales tax adjustments for PO invoices option is not selected, the Ignore calculated sales tax option is not available in the Vendor invoice page. Also, if a vendor invoice is changed, sales taxes might be recalculated, even if actual sales tax amounts have been overridden.