Final answer:
4. A person's license is placed in a special inactive status when they leave the industry for military service. It can be reactivated without retesting after they return.
Step-by-step explanation:
When a licensed person leaves the industry for full-time military service, 4. their license is typically placed in a special inactive status. This means that the license remains valid, but the person is not able to practice their profession while they are serving in the military.
Once they return from military service, their license can be reactivated without the need for retesting, as long as they meet any continuing education requirements.