Why is tax not calculating in NetSuite on web store interface?

Overview

You are using either Site Builder or SuiteCommerce Advanced with your NetSuite instance and taxes are not calculating at any point during checkout. 

Environment

NetSuite OneWorld
NetSuite Basic

Resolution

• PER-LINE TAXES ON TRANSACTIONS must be enabled in the Accounting settings.

• Navigate to -- Setup > Accounting > Setup Taxes

• Enable PER-LINE TAXES ON TRANSACTIONS and save the record.