An LLC in the USA requires annual maintenance to remain compliant with state laws. This includes filing an Annual Report and paying any applicable taxes and fees associated with running a business. The Annual Report typically requires the LLC to provide information about its members, managers, address, and other details. Depending on the state, additional requirements may also apply such as maintaining a registered agent or paying franchise tax. Each year all LLCs must file their federal income tax return by April 15th of that year regardless of whether or not they are profitable. Failure to comply with these requirements can result in penalties including fines and dissolution of the LLC.