The Meaning of Instrument: Article 3"s Requisites of Negotiability; Contract Liability on Instruments; Instruments as Property; Enforcement; Transfer, and Negotiation; Warranty and Restitution: Insuring Enforceability; Claims and Defenses to Instruments; Accommodation Parties: Holder in Due Course: Check Collection Process; Relationship Between a Payor Bank and its Checking Account Customers; Shifting Check Fraud Losses: Ordinary Drafts and Documents of Title in Sales Financing; Letters of Credit.