Parameters
- taxRule
- The tax rule to process
- order
- The order being processed
- shipmentId
- The shipment ID to calculate tax for; pass 0 for unshippable or -1 to ignore shipments
Return Value
A basket item for the tax entry, or null if no tax is charged.
Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2