‹ Article 10 - Attachment of Security Interest Article 11 - Perfection of Security Interest › Part 3: Perfection Article 11 - Perfection of Security Interest Article 12 - Security interests perfected upon attachment Article 13 - Perfection: possession Article 14 - Perfection: Goods in possession of Bailee Article 15 - Perfection by Control: Investment Property Article 16 - Perfection by Control: Bank Accounts Article 17 - Perfection: additional provisions Article 18 - Perfection: Temporary Perfection Article 19 - Perfection: Proceeds Article 20 - Temporary perfection of Personal Property brought into the QFC Article 21 - Goods returned or repossessed Article 22 - Continuity of perfection ‹ Article 10 - Attachment of Security Interest Article 11 - Perfection of Security Interest ›