North American Product Classification System (NAPCS) Canada [Provisional Version 0.1]

• 52 - Financial and insurance services
• 522002 - Loans
• 522002.1 - Loans
• 522002.1.4 - Loans, to consumers
• 522002.1.4.2 - Loans, to consumers, unsecured

522002.1.4.2.2 - Overdraft protection

A service whereby cheques drawn on insufficient funds are not returned to the presenter, but are paid from funds previously established under a line of credit, or transferred from another account.