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.If your lender flags a portion of your mortgage application, you might need to draft a letter of explanation to move forward with the homebuying process. The NC SAFE Act requires licensure or registration for individuals and companies who engage in the mortgage business or process and underwrite mortgage loans. A real estate "closing" is the final step in the transaction. Under the standard form Offer to Purchase and. This form is a statement of final loan terms and closing costs. Properties must be located in North Carolina, South Carolina, Virginia, Georgia, or Tennessee.