You take this 4.5 hour exam to prove you know how to do it: https://www.msn.com/en-us/money/other/the-impossible-four-hour-test-you-need-to-pass-to-become-a-tar

You take this 4.5 hour exam to prove you know how to do it: https://www.msn.com/en-us/money/other/the-impossible-four-hour-test-you-need-to-pass-to-become-a-tariff-pencil-pusher/ar-AA1DrGL7?ocid=finance-verthp-feeds https://www.msn.com/en-us/money/other/the-impossible-four-ho...