All steamship line decals and markings must be removed from the box by the buyer. This is typically referred to as neutralization. 

As part of our terms and conditions, sellers may require the neutralization of their containers.

If neutralization is required it is a legal require with the sale as that container is no longer part of the shipping line/leasing company fleet. Neutralization ensures that there can be no confusion about who owns this box.

Unlike vehicles and chassis where ownership is identified by titles and registration, containers have prefixes and numbers along with logos. Units that are not neutralized can be viewed as breach of contract and repossessed.