Which of the following is NOT a method of perfection?

The correct answer identifies that "Documentation" is not a standalone method of perfection under secured transactions law. In the context of securing interests in collateral, perfection is critical for establishing the priority of a secured party's interest over others.

Automatic perfection occurs in specific situations by operation of law, such as when a secured party obtains a purchase money security interest in consumer goods. Control refers to the secured party’s ability to govern the disposition of the collateral, commonly applicable in secured transactions involving investment property or deposit accounts. Filing involves submitting a financing statement to a public registry, which is the most common method of perfection for many types of collateral.

"Documentation" does not represent a legally recognized method of perfection in secured transactions; rather, it often refers to the paperwork involved in creating or maintaining security interests, such as a security agreement or financing statement. Understanding these distinct methods of perfection is crucial, as it allows secured parties to effectively secure their interests and prioritize their claims in the event of repossession or bankruptcy proceedings.