Article 4 – Authorized Shares​​ (Provide the number of shares in the space below, then select option A or option B, do not select both.) Texas articles of incorporation are filed to create a corporation.This guide provides instructions and tips when preparing and filing this legal document. Is there a filing required under Texas or federal securities laws? The document required to form a corporation in Texas is called the Certificate of Formation. A corporation may issue the number of authorized shares stated in the corporation's certificate of formation. What are Shares of Stock and how are they used? Quick and Easy Filing. No one is faster than Texan Registered Agent when it comes to preparing and submitting your corporation. If you're a privately held corporation with no plans to go public, setting the number of authorized shares at one per owner is fine.