Arizona "association", "bank", "company", "corporation", "limited" or "incorporated" or an abbreviation of one of these words or the equivalent in a foreign language. Corporation may not use "bank", "deposit", "credit union", "trust" or "trust company" unless it also has a license to operate one. May not use "limited liability company" or "limited company" or the abbreviations "L.L.C.", "L.C.", "LLC", or "LC" § 10-401 Arizona Revised Statutes
LLCs have fewer ongoing requirements compared to their corporation counterparts. For example, an LLC is not required to keep minutes or hold annual meetings. An LLC also does not have a board of directors, and isn't is held to the same record keeping standards of a corporation. Keep in mind that the state of incorporation in will have its own set of annual requirements. That includes filing the required business licenses and permits, which vary from state to state. Be sure to check in with your Secretary of State to ensure you don't accidentally miss any required filings.
Where the equipment you use in your business was acquired as a gift, you may report your estimate of its current market value on the Business Property Statement (that is, what you think it would sell for in the open market place). Enter that estimated value in the most current year's cost line and add a note indicating that the entry is an estimate.