Elizabeth was injured in a work-related auto accident. She sued the other driver for her injuries, and the case went to court. While questioning Elizabeth, the defendant's attorney asked her if her injuries were paid under the company's group health insurance plan. Elizabeth's attorney immediately objected to the question. The judge ruled that the question was improper and instructed the jury to disregard the question.
Based on the judge's reaction to the question, identify the legal rule that is in force in the jurisdiction where the trial took place.