(a) A limited liability company and a foreign limited liability company authorized to do business in this State shall designate and continuously maintain in this State:
(1) an office, which need not be a place of business in this State; and
(2) an agent and street address of the agent for service of process on the company.
(b) An agent must be an individual resident of this State, a domestic corporation, another limited liability company, or a foreign corporation or foreign company authorized to do business in this State.