The salary overpayment resulted because . This model letter as a legally approved form for a client to use when informing an employee about correcting a wage overpayment.Edit, sign, and share employee letter overpayment template online. No need to install software, just go to DocHub, and sign up instantly and for free. If you pay an employee more than they should have received in a pay period, you need to know how to correct a payroll overpayment. The Agency must immediately notify the employee, in writing, of the amount overpaid and the method of recovery. • Fill in the employee name, employee ID (SAP) and overpayment amount.