성질상 설명이 현저히 곤란한 경우에는 설명 의무를 면제시키고 있다(약관 규제법 제3조 제3항 단서).
In cases where explanation is remarkably difficult due to its nature, the duty of explanation is exempted (provided in Article 3, Paragraph 3 of the Terms and Conditions Regulation Act).