Please accept this as my authorization to issue a payoff statement to. Through an effective date of .A mortgage payoff letter can come in two forms. One form tells borrowers the remaining principal amount and interest they have to pay to close out the loan. To get a payoff letter, ask your mortgage lender for an official payoff statement and let them know what the projected closing date is. Illinois law imposes a strict deadline on mortgagees when a mortgagor requests a loan payoff statement. A copy of the Good Faith Estimate or estimated settlement statement from the lender. Payoff good thru date. If in agreement, the payor can provide payment immediately. However, if the issue involves a small claims court, this could result in a settlement.