: A secondary format for the routing and bank information, usually located near the top-right. Security Features

: A series of numbers at the bottom printed in magnetic ink: Routing Number : A nine-digit code identifying your bank. Account Number : Identifies your specific checking account.

: The name and logo of the issuing financial institution.

Modern checks use various physical and chemical safeguards to deter alteration or duplication: Breaking Down the Parts of a Check | Wintrust

: The legal and official amount written out in words (e.g., "One hundred fifty and 50/100"). Banks prioritize this line if there is a discrepancy with the numerical box.