For questions regarding an Overpayment Waiver, contact Unemployment Customer Service at 1-800-300-5616. Repay Your Overpayment.Select Benefit Overpayment Services. What should I do if I get a Notice of Overpayment? Learn how to setup an installment agreement for Paid Family Leave, Disabilty Insurance and Unemployment Insurance. Should you receive an unemployment overpayment notice, you may file an appeal, request a waiver, or repay the money. COVID-19 and Unemployment Insurance. If you need more help, contact the Benefit Overpayment Collection Section at 1-800-676-5737 during normal business hours.