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 just gonna sit down. So, is that your team? Actually, I don't need a team. I could easily defeat you single-handedly, but the rules require four. So, may I introduce the third-floor janitor, the lady from the lunch room, and my Spanish is not good... either her son or her butcher. (..)2008 TvShow: The Big Bang Theory Title: The Bat Jar Conjecture Season: 1 Episode 13