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'm sorry. OK. Sorry. Well, I think I'm going up to make some hot cocoa. Would you like to join me for a cup? Thank you, but this requires my immediate attention. I suspect I'll be pulling an all-nighter. I can bring it down to you. Chocolate makes me queasy. OK. (..)2003 TvShow: Six Feet Under Title: Making Love Work Season: 3 Episode 6