A person may not bind a limited liability company except:
1. Under or pursuant to agreement. To the extent the person is authorized to act as the limited liability company's agent under or pursuant to the limited liability company agreement;
2. By members. To the extent the person is authorized by the members to act as the limited liability company's agent pursuant to section 1556;
3. Pursuant to statement of authority. To the extent provided in section 1542;
4. No statement of authority. If there is no statement of authority in effect, any manager, member, president or treasurer of a limited liability company has the authority to bind the limited liability company; or
5. As provided by law. To the extent otherwise provided by law.