You must submit a 10 year continuous history of employment. The Secretary of State provides a form that meets minimum state law requirements.Online filing of a certificate of formation is provided through SOSDirect. Texas LLC Operating Agreement lists owners of your LLC. Download this free Operating Agreement Template to start your business. Who can sign a document filed with the secretary of state depends on the type of entity, whether the entity is domestic or foreign, and the type of document. Although a standard LLC Operating Agreement is an internal document and doesn't need to be submitted to the state, it's a must-have piece of paperwork. The owner is the boss and the sole proprietorship itself. A sole proprietorship is simple, easy to set up, and requires minimal costs. Use this table to help determine some forms you may be required to file as a sole proprietor.