Which statement about preharvest interval (PHI) is correct?

Which statement about preharvest interval (PHI) is correct?

• A. PHI indicates how long the product remains effective after application.
• B. PHI is the time allowed between last application and harvest workers entry.
• C. PHI is the minimum time after application that the crop can be harvested only with protective equipment.
• D. PHI is the time before harvest when the crop may not be sold or consumed.

Answer: (D)