Mnemonic Device:

• SWUPFONO

Explanation: To remember the requirements for a Commercial Paper (i.e., Elements of a Negotiable Instrument).

• S = Signed
• W = Writing
• U = Unconditional
• P = Promise or Order to Pay
• F = Fixed amount of money
• O = On demand or at definite time
• N = No unauthorized undertakings or instructions
• O = Order or bearer