a. Perfection by control. A security interest in controllable accounts, controllable electronic records, controllable payment intangibles, deposit accounts, electronic documents, electronic money, investment property, or letter-of-credit rights may be perfected by control of the collateral under § 8.7-106, 8.9A-104, 8.9A-105.1, 8.9A-106, 8.9A-107, or 8.9A-107.1.
b. Specified collateral; time of perfection by control; continuation of perfection. A security interest in controllable accounts, controllable electronic records, controllable payment intangibles, deposit accounts, electronic documents, electronic money, investment property, or letter-of-credit rights is perfected by control under § 8.7-106, 8.9A-104, 8.9A-105.1, 8.9A-106, 8.9A-107, or 8.9A-107.1 not earlier than the time the secured party obtains control and remains perfected by control only while the secured party retains control.
c. Investment property; time of perfection by control; continuation of perfection. A security interest in investment property is perfected by control under § 8.9A-106 not earlier than the time the secured party obtains control and remains perfected by control until:
A. if the collateral is a certificated security, the debtor has or acquires possession of the security certificate;
B. if the collateral is an uncertificated security, the issuer has registered or registers the debtor as the registered owner; or
C. if the collateral is a security entitlement, the debtor is or becomes the entitlement holder.