What happens when I forward date a Transaction? Last updated Save as PDF Overview How is tax applied to my transaction if I set it to a future date? Environment Avalara Avatax Resolution If the selected Tax Date is in the future (when new rates have yet to be applied), the system uses the current rates. New rates are applied on the second-to-last business day of the month. Learn more about what's in a transaction or the difference between Document and Tax Dates.