Please write your loan account number on the front of your check, include a payment coupon and mail it to: Sacramento Credit Union Please provide a payoff statement for the referenced loan(s) below.A payoff letter provides instructions on how to pay off a loan with a lump sum before the loan term ends. Learn how payoff letters work. A 10 day payoff is crucial to getting your old loans paid off during a refinance. Learn how it works from start to finish. How to fill out the Payoff Request Letter Templates? 1. Enter your personal information and amount owed. 2. Creating a payoff letter is essential to any loan or mortgage repayment process. Our free templates and this guide can help you get started.