If you were overpaid, you will receive a written notice in the mail. Use this model communication to draft a notice to an employee regarding necessary actions to correct overpayment of the employee's salary.Overpayments due to an employer's math or other clerical error may be deducted from an employee's wages, but only if specific steps are taken. 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 salary overpayment resulted because . To make it easy, here's an example for a payroll overpayment letter. Note that this letter is just a sample to help you get started. Overpayments are considered paid when received and must be included in the employee's income when received.