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.
(..) - Hold your fire. We're here to help. - Bullshit! Captain, I believe I can handle this. Greetings. This woman requires medical attention. - Severe radiation poisoning. - From the damaged ship. I have to get her to sick bay. No lectures on the prime directive, I'll keep her unconscious. (..)1996 Star Trek: First Contact