(a) A filed record is effective only to the extent that it was filed by a person that may file it under § 4-9-509 or by the filing office under § 4-9-529.
(b) A record authorized by one (1) secured party of record does not affect the financing statement with respect to another secured party of record.
(c) A continuation statement that is not filed within the six-month period prescribed by § 4-9-515(d) is ineffective.
(d)
(1) Except as provided in subdivision (d)(2) of this section, if a debtor is engaged in farming operations and the collateral described in a financing statement is an agricultural lien or a security interest in equipment used in farming operations, farm products, or accounts arising from the sale of farm products, a filing with the circuit clerk of the county where a debtor is engaged in farming operations of a financing statement, a termination statement, or a continuation statement to extend the effectiveness of a financing statement is ineffective.
(2) If a debtor is engaged in farming operations and the collateral described in a financing statement is a farm-stored commodity financed by a loan through the Commodity Credit Corporation of the United States Department of Agriculture, a filing after midnight, December 31, 2012, with the circuit clerk of the county where a debtor is engaged in farming operations of the financing statement, a termination statement, or a continuation statement to extend the effectiveness of the financing statement is ineffective.
(3) The effectiveness of a financing statement that perfects an agricultural lien or a security interest in equipment used in farming operations, farm products, or accounts arising from the sale of farm products may be continued by filing a continuation statement with the Secretary of State before the financing statement expires.