The governing document of the LLC is called an operating agreement, and it is within this document that the members lay out all important provisions, such as standards for LLC governance, ownership parameters, and rules around member changes (adding or removing members, or what happens in case of death or incapacity of a member). The operating agreement is an internal document and is an agreement amongst the members or owners, which means it is not recorded with the state.
Articles of organization are short, simple documents. In fact, you can usually prepare your own in just a few minutes by filling in the blanks and checking the boxes on a form provided by your state's filing office. Typically, you must provide only your LLC's name, its address, and sometimes the names of all of the owners -- called members. Generally, all of the LLC owners may prepare and sign the articles, or they can appoint just one person to do so.
On the other hand, if you are not responsible for its tax, then you should declare the equipment in Part III of the Business Property Statement (Equipment belonging to others). Where equipment is declared in Part III of the Business Property Statement, the Assessor will also send a Notice to File to the person reported as the equipment's actual owner.