This brief but important letter notifies a customer that he or she has overpaid you. It can serve as a very good customer relations letter.Our document template is designed to make the process of writing an "Inform a Customer of an Overpayment" letter quick, easy, and stress-free. You have to tell your credit or debit card company about any error you're disputing within 60 days of when the first statement with the charge was sent to you. A Letter of Authorization authorizes payment for medical services received over 12 months before the current month. The salary overpayment resulted because . Fill out and submit this form. The CalFresh office has many ways of collecting overissued (overpaid) CalFresh benefits. Fill out the whole application form if you can. You will be asked eligibility determination questions during your interview.