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The "Tax Exempt" checkbox is automatically set by whether or not the end user Company Location Tax Exempt Status is set to Tax Exempt (see Tax Exempt Checkbox). Depending on your individual rights, this checkbox may or may not be available for you to check or un-checkuncheck. Please see your administrator if you do not have the ability to change this checkbox and you think you should.
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Direct Bill Checkbox
The Direct Bill checkbox is used for Direct Bills to your Manufacturer and Government Sales. It is a filterable field in grids and in the analysis of Orders and Projects. See