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.
(..) of methylamine, aren't you? I can do the math. You've been at it long enough. You must be running low. I have a new method that requires no methylamine. And it's easy, and it will keep you in business. And Todd, I could teach it to you. How did you know to find us here? (..)2013 TvShow: Breaking Bad Title: Felina Season: 5 Episode 16