Update: Was this feature moved to it's own menu?
How to use the Sales Tax Calculation Utility in Accounts Receivable
Resolution
This utility is often used to recalculate open orders or invoices after sales tax schedules or codes have been changed.
However, it may also be used when Lines and Totals tab totals do not match.
Open Accounts Receivable, Utilities, Accounts Receivable Utilities.
Select the Sales Tax Calculation option
On the Sales Tax Calculation Utility window, select the following items to be calculated:
Repetitive Invoices
A/R Invoices
Sales Orders
S/O Invoices
Select either Recalculate Sales Tax for all Records or Recalculate Sales Tax for Flagged Records Only
Note: If you are not sure, select Recalculate sales tax for all records so all records for the selected items are affected.
Click the Proceed button.
Sage 100 writes to the following files when running the Sales Tax Calculation Utility:
AR_InvoiceHeader.M4T
AR_RepetitiveInvoiceHeader.M4T
SO_InvoiceHeader.M4T
SO_SalesOrderHeader.M4T
SO_SalesOrderHistoryHeader.M4T