(a) [Filed record effective if authorized.]
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) [Authorization by one secured party of record.]
A record authorized by one secured party of record does not affect the financing statement with respect to another secured party of record.
(c) [Continuation statement not timely filed.]
A continuation statement that is not filed within the six-month period prescribed by Section 9-515(d) is ineffective.