§ 21.101. SHAREHOLDERS' AGREEMENT.
(a) The shareholders of a corporation may enter into an agreement that:
(1) restricts the discretion or powers of the board of directors;
(2) eliminates the board of directors and authorizes the business and affairs of the corporation to be managed, wholly or partly, by one or more of its shareholders or other persons;
(3) establishes the individuals who shall serve as directors or officers of the corporation;
(4) determines the term of office, manner of selection or removal, or terms or conditions of employment of a director, officer, or other employee of the corporation, regardless of the length of employment;
(5) governs the authorization or making of distributions whether in proportion to ownership of shares, subject to § 21.303;
(6) determines the manner in which profits and losses will be apportioned;
(7) governs, in general or with regard to specific matters, the exercise or division of voting power by and between the shareholders, directors, or other persons, including use of disproportionate voting rights or director proxies;
(8) establishes the terms of an agreement for the transfer or use of property or for the provision of services between the corporation and another person, including a shareholder, director, officer, or employee of the corporation;
(9) authorizes arbitration or grants authority to a shareholder or other person to resolve any issue about which there is a deadlock among the directors, shareholders, or other persons authorized to manage the corporation;
(10) requires winding up and termination of the corporation at the request of one or more shareholders or on the occurrence of a specified event or contingency, in which case the winding up and termination of the corporation will proceed as if all of the shareholders had consented in writing to the winding up and termination as provided by Subchapter K;
(11) with regard to one or more social purposes specified in the corporation's certificate of formation, governs the exercise of corporate powers, the management of the operations and affairs of the corporation, the approval by shareholders or other persons of corporate actions, or the relationship among the shareholders, the directors, and the corporation; or
(12) otherwise governs the exercise of corporate powers, the management of the business and affairs of the corporation, or the relationship among the shareholders, the directors, and the corporation as if the corporation were a partnership or in a manner that would otherwise be appropriate only among partners and not contrary to public policy.
(b) A shareholders' agreement authorized by this § must be:
(1) contained in:
(A) the certificate of formation or bylaws if approved by all of the shareholders at the time of the agreement; or
(B) a written agreement that is:
(i) signed by all of the shareholders at the time of the agreement; and
(ii) made known to the corporation; and
(2) amended only by all of the shareholders at the time of the amendment, unless the agreement provides otherwise.
§ 21.102. TERM OF AGREEMENT.
Any limit on the term or duration of a shareholders' agreement under this subchapter must be set forth in the agreement. A shareholders' agreement under this subchapter that was in effect before September 1, 2015, remains in effect for 10 years, unless the agreement provides otherwise.
§ 21.103. DISCLOSURE OF AGREEMENT; RECALL OF CERTAIN CERTIFICATES.
(a) The existence of an agreement authorized by this subchapter shall be noted conspicuously on the front or back of each certificate for outstanding shares or on the information statement required for uncertificated shares by § 3.205.
(b) The disclosure required by this § must include the sentence, "These shares are subject to the provisions of a shareholders' agreement that may provide for management of the corporation in a manner different than in other corporations and may subject a shareholder to certain obligations or liabilities not otherwise imposed on shareholders in other corporations."
(c) A corporation that has outstanding shares represented by certificates at the time the shareholders of the corporation enter into an agreement under this subchapter shall recall the outstanding certificates and issue substitute certificates that comply with this subchapter.
(d) The failure to note the existence of the agreement on the certificate or information statement does not affect the validity of the agreement or an action taken pursuant to the agreement.
§ 21.104. EFFECT OF SHAREHOLDERS' AGREEMENT.
A shareholders' agreement that complies with this subchapter is effective among the shareholders and between the shareholders and the corporation even if the terms of the agreement are inconsistent with this code.
§ 21.105. RIGHT OF RESCISSION; KNOWLEDGE OF PURCHASER OF SHARES.
(a) A purchaser of shares who does not have knowledge at the time of purchase of the existence of a shareholders' agreement authorized by this subchapter is entitled to rescind the purchase.
(b) A purchaser is considered to have knowledge of the existence of the shareholders' agreement for purposes of this § if:
(1) the existence of the agreement is noted on the certificate or information statement for the shares as required by § 21.103; and
(2) with respect to shares that are not represented by a certificate, the information statement noting existence of the agreement is delivered to the purchaser not later than the time the shares are purchased.
(c) An action to enforce the right of rescission authorized by this § must be commenced not later than the earlier of:
(1) the 90th day after the date the existence of the shareholder agreement is discovered; or
(2) the second anniversary of the purchase date of the shares.
§ 21.106. AGREEMENT LIMITING AUTHORITY OF AND SUPPLANTING BOARD OF DIRECTORS; LIABILITY.
(a) A shareholders' agreement authorized by this subchapter that limits the discretion or powers of the board of directors or supplants the board of directors relieves the directors of, and imposes on a person in whom the discretion or powers of the board of directors or the management of the business and affairs of the corporation is vested, liability for an act or omission of the person in accordance with Subsection (b).
(b) A person on whom liability for an act or omission is imposed under this § is liable in the same manner and to the same extent as a director on whom liability for an act or omission is imposed by this code or other law.
§ 21.107. LIABILITY OF SHAREHOLDER.
The existence of or a performance under a shareholders' agreement authorized by this subchapter is not a ground for imposing personal liability on a shareholder for an act or obligation of the corporation by disregarding the separate existence of the corporation or otherwise, even if the agreement or a performance under the agreement:
(1) treats the corporation as if the corporation were a partnership or in a manner that otherwise is appropriate only among partners;
(2) results in the corporation being considered a partnership for purposes of taxation; or
(3) results in failure to observe the corporate formalities otherwise applicable to the matters governed by the agreement.
§ 21.108. PERSONS ACTING IN PLACE OF SHAREHOLDERS.
An organizer or a subscriber for shares may act as a shareholder with respect to a shareholders' agreement authorized by this subchapter if no shares have been issued when the agreement is signed.
§ 21.109. AGREEMENT NOT EFFECTIVE.
(a) A shareholders' agreement authorized by this subchapter ceases to be effective when shares of the corporation are:
(1) listed on a national securities exchange; or
(2) regularly traded in a market maintained by one or more members of a national or affiliated securities association.
(b) If a corporation does not have a board of directors and an agreement of the shareholders of the corporation entered into under this subchapter ceases to be effective, a board of directors shall be instituted or reinstated to govern the corporation in the manner provided by § 21.710(c).
(c) If a shareholders' agreement that ceases to be effective is contained in or referred to by the certificate of formation or bylaws of a corporation, the board of directors of the corporation may adopt an amendment to the certificate of formation or bylaws, without shareholder action, to delete the agreement and any references to the agreement.
§ 21.110. OTHER SHAREHOLDER AGREEMENTS PERMITTED.
This subchapter does not prohibit or impair any agreement between two or more shareholders, or between the corporation and one or more of the corporation's shareholders, permitted by Title 1, this chapter, or other law.