Effectiveness of filed record.

(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.