See the main fields and routines involved in calculation:
Customer/Supplier File
Tax Zone x Tax File
Data used in Tax Zone x Tax Register are:
Example of Rate of 5%:
The field Table Item determines if the rate used in tax calculation must be the one of the same tax (5%) or determined by the Tax x Tax Zone register.
If the content is No, tax rate is used. Otherwise, Tax x Tax Zone Register provides the rate corresponding to the code of Tax Zone (000001, 000002, etc.) and tax area (FL- Florida, NJ- New Jersey) defined in Customer/Supplier.