Fred,
You are right, the Sales Tax Report (Reports / Sales / Sales / Sales Tax Report) can sometimes differ from other reports (and the Sales Manager). The most common factor is how each report (or MGR) is filtered (e.g. date ranges, tax jurisdictions, RegIDs, etc).
You might also have a corrupt data table. To rule this out, you should go to Tools / Verify Tables and run verification tests on all your tables (simply follow the on-screen instructions).
Another factor, and one that is more subtle, is due to the source of the data that is used in the Sales Tax Report. This report draws it's data from the Sales_Tax table. Data gets put into the Sales_Tax table when a sale is posited. If a sale is entirely non-taxable, it is possible that in some circumstances, the sale's information may not make it to the Sales_Tax table. This can lead to a different sales total than other sales reports.
If you'd like us to take a look at your data for a more definitive answer, please email us at
[email protected] and we'll give you instructions on how to send you backup file to us.
Thanks.