Your National ID cannot be used as your primary ID when you register for the TOEFL test. Your National ID will be accepted if you present it at the test center, but when you register you must use a different ID.
이런소리 하는데 면허증으로 해야하나요
(그리고 주민증, 면허증 둘다 영문명은 안쓰였는데 등록.시험장제출시 괜찮죠)