(1) Subject to 30-9A-509, a person may add or delete collateral covered by, continue or terminate the effectiveness of, or subject to subsection (5), otherwise amend the information provided in, a financing statement by filing an amendment that:
(a) identifies, by its file number, the debtor, the creditor, and the initial financing statement to which the amendment relates; and
(b) if the amendment relates to an initial financing statement filed or recorded in a filing office described in 30-9A-501 (1)(b), provides the date that the initial financing statement was filed or recorded and the information specified in 30-9A-502 (2).
(2) Except as otherwise provided in 30-9A-515, the filing of an amendment does not extend the period of effectiveness of the financing statement.
(3) 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.
(4) 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.
(5) An amendment is ineffective to the extent it:
(a) purports to delete all debtors and fails to provide the name of a debtor to be covered by the financing statement; or
(b) purports to delete all secured parties of record and fails to provide the name of a new secured party of record.