The truck driver carries a special license, as the law 'requires' (him to do). = The truck driver carries a special license, 'as required by' law.
What will be 'required' of me if I accept the job? = What will I be 'required' to do if I accept the job?
The newspaper is 'required reading' [=reading that must be done] in my politics course.
(..) I had no idea you were a fan of magic, Dr. Edison. And I take it you're not. No, nor of witchcraft, astrology or the lotto, all of which require one to relinquish rational thought. Oh, Dr. Saroyan, you're just in time. Uh, thank you, I suppose. Klarissa's toxicology results (..)2015 TvShow: Bones Title: The Promise in the Palace Season: 11 Episode 7