Maryland Commercial Law Section 9-105

      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 which is unique, identifiable and, except as otherwise provided in paragraphs (4), (5), and (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.