A 10 day payoff is crucial to getting your old loans paid off during a refinance. Learn how it works from start to finish.Do you need a loan payoff request form? Say you have a mortgage and want to know exactly how much you'd need to pay to satisfy the loan. A mortgage payoff letter will tell you that magic number. Loan Payoff Request correspondence on SSFCU letterhead. Instructions. Fill out online and submit. Payoff of first mortgage loan. 103. This is a standard form of payoff letter.