This is a test of commonsense with single/multi-choices. Complete the next sentence:

How to win a workers' compensation case
Confirm your injury is covered by workers' compensation.
Generally, your injury must be work-related, and you must work for a covered employer.
An injury typically will be considered work-related if it occurs during the course and scope of your employment.

(1). Some injuries may not be included, however, depending on your state. For example, some states do not allow workers to claim workers' compensation for stress injuries such as carpal tunnel syndrome, even if they can prove those injuries are work-related.; (2). There are no uve laws concerning medical use in compensation cases. However, the law of medical jurisdiction prohibits injury in incidents that are unrelated to your particular work-related experience.; (3). If it occurs at some point in the course of your employment, you want to find the cause of the injury. If your injury involves money, it can draw that money into a lawsuit.; (4). However, you may have to work for a fixed amount of time, such as 12 months or more, to become covered by the plaintiff's claim. If you're claiming employment from an employer, you generally must work for a fixed amount of time and leave the workplace in good health.;
The answer is:
(1).