Generally, there is no requirement that an employer pay a worker for their time spent in court regarding an appearance mandated by a subpoena, unless it is company policy to do so ir their is an employment.union agreemnt tht reuqies this. That having beens aid, an employer must give you time off to go to court and can't fire you or penalize you for the time off (but is not required to pay you). That having been said, you may be eligible for a witness fee; ask the entity that subpeonaed you.