View the list of Sample Business Letters Assignment of Security Interest Disclaimer: Be aware that some of these sample letters have legal, financial, or other implications. If you are not sure about the use of any letter, consult with an appropriate professional first. Assignment of Security Interest ASSIGNMENT OF SECURITY INTEREST FOR VALUE RECEIVED, the undersigned does hereby sell, assign and transfer to _, its successors or assigns, all right, title and interest of the undersigned in and to a certain security interest and debt thereto issued to the undersigned from _ (Debtor), under date of _, 19_, all as annexed hereto. Signed this _ day of _, 19_. ______________________________