How To Write A Letter Of Insufficient Funds. You had sufficient funds in your account, but still your cheque is dishonored with the reason of 'insufficient funds' or any such reason. For the proof of funds letter to be accepted, it must be signed by an authorized representative of the institution.
(describe in your own words). I also request that you withhold any interest on my debt for the next six months. This is only needed in the case of cash sales because of the nature of the sale.
