Scope of UCC Article 9 Coverage; Security Agreement; Attachment of the Security Interest; Relationship of Parties Prior to Default; Perfection of Security Interest by Filing and Other Methods; Choice of Law and Perfection in Multiple State Transactions; Priority of Secured Parties When Security Interest is Unperfected; Priority When Collateral is Sold or Transferred; Priority Between Two Secured Parties; Priority Between Secured Party and Lien Creditors; Priority of Security Interest in Fixtures; Priority of Security Interest in Accessions; Priority When Goods are Commingled or Processed; Priority When Goods are Returned or Repossessed; Bankruptcy or Insolvency of Debtor and Priority of Security Interest; Default and Enforcement of Security Interest; Collection Rights for Accounts. Instruments or Chattel Paper; Secured Party's Right of Repossession; Taking the Collateral for the Debt; Sale or Other Disposition of Collateral; Right of Redemption; Liability for Noncompliance with Default Provisions of UCC Article 9.