Except as otherwise provided in the articles of organization or an operating agreement, if the limited liability company has more than one manager, each manager shall be entitled to a single vote on all matters properly brought before the managers, and all decisions of the managers shall be made by majority vote of the managers. In the absence of such a provision in the articles or operating agreement, no manager shall have the right to vote by proxy.
La. Corporations and Associations § 12:1316