Modern checks use various physical and chemical safeguards to deter alteration or duplication: Breaking Down the Parts of a Check | Wintrust
: An optional space in the bottom-left for notes, such as a bill account number or the purpose of the payment.
: Marked "Pay to the order of"; identifies the individual or business authorized to receive the funds.
Pre-printed data allows financial institutions to route and process the payment automatically:
: A box (often preceded by a dollar sign) for writing the payment amount in digits (e.g., $150.50).
: Located in the top-right corner; indicates when the check was issued.
: A secondary format for the routing and bank information, usually located near the top-right. Security Features