A sample form for an employee to agree to repayment of a wage overpayment error. If the overpayment is a result of a out-of-home placement in a facility: Complete the SCD 13 and document in a CalSAWS journal entry.The salary overpayment resulted because . An overpayment is when you receive benefits you are not eligible for. The law does allow for an employee to voluntarily agree to repayment of any overpaid wages as long as the employee's wages are not reduced below minimum wage. The key is to ensure you have a voluntary agreement in writing with the employee before any deductions are taken. When drafting the written notice, make sure to include: A clear explanation of the error that led to the overpayment. The exact amount of the overpayment.