A secured party has control of electronic chattel paper if the record or records comprising the chattel paper are created, stored, and assigned in such a manner that


(1) a single authoritative copy of the record or records exists that is unique, identifiable, and, except as otherwise provided in (4) - (6) of this section, unalterable;


(2) the authoritative copy identifies the secured party as the assignee of the record or records;


(3) the authoritative copy is communicated to and maintained by the secured party or its designated custodian;


(4) copies or revisions that add or change an identified assignee of the authoritative copy can be made only with the participation of the secured party;


(5) each copy of the authoritative copy and any copy of a copy is readily identifiable as a copy that is not the authoritative copy; and


(6) any revision of the authoritative copy is readily identifiable as an authorized or unauthorized revision.