1. In the sample letter, fill in your personal information. A "sample" Letter of Credit format is on the Department of Permitting Services (DPS) website.✓ No letter of credit will be acceptable unless it may be presented at a bank in the New River Valley or the. Roanoke Valley in Virginia. FC Letter of Credit Template. A wellcrafted credit inquiry letter of explanation can explain honestly and clearly your financial history and your real estate ownership. Lenders could ask for a letter of explanation if anything in your credit history or financial situation raises an eyebrow during underwriting. To opt out of pre-approved credit card offers, call 1-888-567-8688. Keep your PINs and passwords a secret. Search job openings across the Clarksville-Montgomery County EDC network.