Yes, without exception. If you have been overpaid UI benefits, you may receive a notice from your state agency alerting you to the overpayment. If you believe that your state agency is incorrect, you may request a waiver or appeal the decision. If your waiver or appeal is denied, or if you do not dispute the claim, you will have to begin repayment. In many cases, your future unemployment benefits will simply be lowered until the amount has been repaid. In other cases, they may attempt to collect from your tax return or use a debt collector. If you intentionally provided inaccurate information to your state UI administrator or knowingly filed a false claim to receive more benefits, you have committed unemployment insurance fraud. In addition to having to repay your state agency, you may be subject to: penalties, criminal charges, ineligibility of UI benefits, and forfeiture of tax returns. All states actively monitor UI fraud. To avoid these repercussions, provide truthful and accurate information to your state UI administrator at all times. If you feel that you have made a mistake on your forms or during the application process, call your state agency immediately. Soon after you apply for benefits, you should receive a statement of your earnings. Review it closely and notify the state if it is incorrect; you may be eligible for higher UI benefits You may be asked to provide documentation proving your actual earnings. Some of those documents may include: Pay stubs, W-2 Forms, Employment contracts, or Bank records. If it is found that your employer willfully underreported or failed to report your earnings, he or she has committed fraud.