To update active “Subscriptions/Recurring Invoices” with updated tax rates.
Step 1: Please go to “Sales” and select “Subscriptions”
Step 2: Go to “Active” select active subscriptions and Click on “Edit”
Step 3: Go to products And click on “Tax rate” and Select the updated tax rates
Step 4: Once tax rate updated, click on “Save”
Now, all your upcoming subscription invoices will be generated with updated tax rates.