(a) A filed record is effective only to the extent that it was filed by a person that may file it under Section 9.509.
(b) A record authorized by one secured party of record does not affect the financing statement with respect to another secured party of record.
(c) Except as otherwise provided by Section 9.5185(m), a continuation statement that is not filed within the six-month period prescribed by Section 9.515(d) is ineffective.