How to manually enter tax reporting amounts (if reporting tax in another currency) on Sage 300 Order Entry Steps: Open a transaction entry screen, such as O/E Order Entry.On the Taxes tab, clear the Calculate Tax Reporting option.For each tax authority, enter the correct tax reporting amount.On the Rates tab, click the Derive Rate button. Order Entry automatically prorates and allocates to document details the total tax amount you entered. Sage 300 Request Support