Can you get a screen shot of your Admin->Modules->Order Total area?
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Use your Admin->Tools->Developers Toolkit, and search all files (bottom field, Catalog option in pulldown) for "Sales Tax" ... what comes up?
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Zen Cart - putting the dream of business ownership within reach of anyone!
Donate to: DrByte directly or to the Zen Cart team as a whole
Remember: Any code suggestions you see here are merely suggestions. You assume full responsibility for your use of any such suggestions, including any impact ANY alterations you make to your site may have on your PCI compliance.
Furthermore, any advice you see here about PCI matters is merely an opinion, and should not be relied upon as "official". Official PCI information should be obtained from the PCI Security Council directly or from one of their authorized Assessors.
Have you deleted any Tax Classes from the admin?
How about old Tax Rates?
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Zen Cart - putting the dream of business ownership within reach of anyone!
Donate to: DrByte directly or to the Zen Cart team as a whole
Remember: Any code suggestions you see here are merely suggestions. You assume full responsibility for your use of any such suggestions, including any impact ANY alterations you make to your site may have on your PCI compliance.
Furthermore, any advice you see here about PCI matters is merely an opinion, and should not be relied upon as "official". Official PCI information should be obtained from the PCI Security Council directly or from one of their authorized Assessors.
Well, I have no idea what's causing it.
If you say this is a "clean" install with no addons, no added features to change tax issues, no special shipping modules, no special payment modules, no extra pricing-change addons, and you have only one tax rate set up, and have never deleted any Tax Classes, then something must be wrong with your database.
I cannot reproduce the situation you're describing.
You might be able to put a bandage on it and hide the 0.00 entry by setting Admin->Configuration->My Store->Sales Tax Display Status to 0.
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Zen Cart - putting the dream of business ownership within reach of anyone!
Donate to: DrByte directly or to the Zen Cart team as a whole
Remember: Any code suggestions you see here are merely suggestions. You assume full responsibility for your use of any such suggestions, including any impact ANY alterations you make to your site may have on your PCI compliance.
Furthermore, any advice you see here about PCI matters is merely an opinion, and should not be relied upon as "official". Official PCI information should be obtained from the PCI Security Council directly or from one of their authorized Assessors.