signature card -- a form signed by a depositor upon opening an account at a financial institution. The card establishes the type of account ownership and sets forth the account terms and the obligations of the customer and the institution. Signature cards are used for subsequent identification of the customer by comparing the customer's signature with the signature on the card.
historic definition...
Signature card -- A card bearing the signature of a depositor of a bank and kept on file in the bank for reference. Some banks keep the signatures of depositors in a special book.
Sarah Chen is a Certified Financial Analyst (CFA) and Certified Financial Planner (CFP) with over 15 years of experience in wealth management, retirement planning, and investment strategy. She holds an MBA in Finance from Wharton School of Business and has helped thousands of clients achieve their financial goals. Sarah is passionate about financial education and believes that everyone deserves access to clear, actionable financial guidance.