Section 407.106 - Control of electronic document of title(1) A person has control of an electronic document of title if a system employed for evidencing the transfer of interests in the electronic document reliably establishes that person as the person to which the electronic document was issued or transferred.(2) A system satisfies sub. (1), and a person is deemed to have control of an electronic document of title, if the document is created, stored, and assigned in such a manner that satisfies all of the following: (a) A single authoritative copy of the document exists which is unique, identifiable, and, except as otherwise provided in pars. (d), (e), and (f), unalterable.(b) The authoritative copy identifies the person asserting control as one of the following: 1. The person to which the document was issued.2. If the authoritative copy indicates that the document has been transferred, the person to which the document was most recently transferred.(c) The authoritative copy is communicated to and maintained by the person asserting control or its designated custodian.(d) Copies or amendments that add or change an identified assignee of the authoritative copy can be made only with the consent of the person asserting control.(e) Each copy of the authoritative copy and any copy of a copy is readily identifiable as a copy that is not the authoritative copy.(f) Any amendment of the authoritative copy is readily identifiable as authorized or unauthorized.