Subject to Section 9-509, a person may add or delete collateral covered by, continue or terminate the effectiveness of, or, subject to subsection (e), otherwise amend the information provided in, a financing statement by filing an amendment that:
(1) identifies, by its file number, the initial financing statement to which the amendment relates; and
(2) if the amendment relates to an initial financing statement filed [or recorded] in a filing office described in Section 9-501(a)(1), provides the information specified in Section 9-502(b).
(a) [Amendment of information in financing statement.]
Subject to Section 9-509, a person may add or delete collateral covered by, continue or terminate the effectiveness of, or, subject to subsection (e), otherwise amend the information provided in, a financing statement by filing an amendment that:
(1) identifies, by its file number, the initial financing statement to which the amendment relates; and
(2) if the amendment relates to an initial financing statement filed [or recorded] in a filing office described in Section 9-501(a)(1), provides the date [and time] that the initial financing statement was filed [or recorded] and the information specified in Section 9-502(b).
[End of Alternatives]
(b) [Period of effectiveness not affected.]
Except as otherwise provided in Section 9-515, the filing of an amendment does not extend the period of effectiveness of the financing statement.
(c) [Effectiveness of amendment adding collateral.]
A financing statement that is amended by an amendment that adds collateral is effective as to the added collateral only from the date of the filing of the amendment.
(d) [Effectiveness of amendment adding debtor.]
A financing statement that is amended by an amendment that adds a debtor is effective as to the added debtor only from the date of the filing of the amendment.
(e) [Certain amendments ineffective.]
An amendment is ineffective to the extent it:
(1) purports to delete all debtors and fails to provide the name of a debtor to be covered by the financing statement; or
(2) purports to delete all secured parties of record and fails to provide the name of a new secured party of record.