Your name must be unique, and not deceptively similar, to any other trademarked name or business. It is also required that your name not be used to intentionally misrepresent the products or services you offer. For LLCs, nearly all states will also require you to add a signifier of your limited liability status, such as "LLC" or "L.L.C." to the end of your company's name. You may be able to operate under a name other than your formal LLC name by applying for and using a dba.
Get an Employer Identification Number from the IRS. If your LLC has more than one member, you will need this number so your LLC can pay federal and state taxes properly, hire employees, and open a company bank account. You can apply for this number: (1) online; (2) by contacting the IRS at (800) 829-4933; or (3) by completing and mailing in Form SS-4 to the address listed on the form.
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.