Gov, Send all water payoff requests using the Water Payoff form (please request form if needed). A Payoff confirmation letter is faxed to the Plan Sponsor within two business days after the loan has been paid in full or payoff information is provided on the.One form tells borrowers the remaining principal amount and interest they have to pay to close out the loan. Below you will find links to useful forms and documents for easy and convenient access. Forms. Neglect or refuse to fully pay the debt in time.