Must I have an attorney to file an appeal to the Commission in unemployment? July 22, 2021 19:29 Updated Parties do not have to be represented by counsel to file an appeal to the Commission in unemployment. Related articles Who can file a representation petition? What can I expect after I file my appeal? How do I file an appeal to an overpayment determination? How many copies of my brief should I send? How long does it take to review an unemployment benefits case?