What identifies the secured party as the assignee in electronic chattel paper?

The concept of electronic chattel paper in secured transactions is critical for determining the rights of creditors in the context of electronic records. In this scenario, the correct answer is the authoritative copy of the record, which serves to identify the secured party as the assignee.

An authoritative copy is a specific version of electronic chattel paper that meets the requirements set by the Uniform Commercial Code (UCC). This copy contains a unique identifier and can be transferred, and it holds legal significance as the definitive record of the transaction. Therefore, it is through this authoritative copy that the secured party's rights are established and recognized in relation to the collateral.

Other options, while they could potentially play a role in the transaction, do not serve the same purpose. A written agreement with the debtor can denote the existence of a secured transaction but does not inherently serve to identify the assignee in the context of electronic chattel paper. A filed financing statement, although it provides public notice of a security interest, also does not specifically identify the secured party as an assignee with respect to that electronic chattel paper. Lastly, a physical signature and date pertain more to traditional paper documents and their validity rather than to the electronic format in question. Thus, the authoritative copy is paramount for