System Variable 964: Sales Invoice: Use Sales Date Instead of Invoice Date When Looking Up Currency Rate
Use this System Variable to determine if the sales date should be used instead of the invoice date when looking up the currency rate on Sales Invoices.
This System Variable is disabled by default. When it is enabled, WorkBook determines the currency rate of a Sales Invoice based on the sales date instead of the invoice date.
You can setup currency rates, rate tables, and company currencies in .