You have been found at fault in a crash where someone was injured and was transported to a medical treatment facility. by law you must

By law you must attend a Traffic Collision Avoidance Course.

Explanation:

If you caused an accident where someone was injured and taken to medical care, you violated a traffic law, it was reckless and irresponsible. Accidents are always caused because someone violated the traffic laws. In that case you are an illegal thing and will have to answer about it in a court of law.

In court your traffic conditional will be judged and you will have a penalty to serve. Regardless, as the accident was your fault you would be required, by law, to attend a Course to avoid traffic collisions.