Investment property. The perfection requirements for "investment property" (defined in Section 9-102) [Maine cite section 9-1102], including perfection by control under Section 9- 106 [Maine cite section 9-1106], remain substantially unchanged. However, a new provision in Section 9-314 [Maine cite section 9- 1314] is designed to ensure that a secured party retains control in "repledge" transactions that are typical in the securities markets.

Instruments, agricultural liens, and commercial tort claims. This Article expands the types of collateral in which a security interest may be perfected by filing to include instruments. See Section 9-312 [Maine cite section 9-1312]. Agricultural liens and security interests in commercial tort claims also are perfected by filing, under this Article. See Sections 9-308, 9- 310 [Maine cite sections 9-1308, 9-310].

Sales of payment intangibles and promissory notes. Although former Article 9 covered the outright sale of accounts and chattel paper, sales of most other types of receivables also are financing transactions to which Article 9 [Maine cite Article 9-A] should apply. Accordingly, Section 9-102 [Maine cite section 9-1102] expands the definition of "account" to include many types of receivables (including "health-care-insurance receivables," defined in Section 9-102) [Maine cite section 9- 1102] that former Article 9 classified as "general intangibles." It thereby subjects to Article 9's [Maine cite Article 9-A] filing system sales of more types of receivables than did former Article 9. Certain sales of payment intangibles--primarily bank loan participation transactions-should not be subject to the Article 9 [Maine cite Article 9-A] filing rules. These transactions fall in a residual category of collateral, "payment intangibles" (general intangibles under which the account debtor's principal obligation is monetary), the sale of which is exempt from the filing requirements of Article 9 [Maine cite Article 9-A]. See Sections 9-102, 9-109, 9-309 [Maine cite sections 9-1102, 9-1109, 9-1309] (perfection upon attachment). The perfection rules for sales of promissory notes are the same as those for sales of payment intangibles.