(a) This section applies to an existing corporation that elected to become a close corporation before the mandatory application date of this code and has not terminated that status.
(b) A close corporation existing before the mandatory application date of this code is considered to be a close corporation under this code.
(c) A provision in the articles of incorporation of a close corporation authorized under former law is valid and enforceable if the corporation's status as a close corporation has not been terminated.
(d) An agreement among the shareholders of a close corporation in conformance with former law and Sections 21.714-21.725 before the mandatory application date of this code is considered to be a shareholders' agreement.
(e) A certificate representing the shares issued or delivered by the close corporation after the mandatory application date of this code, whether in connection with the original issue of shares or a transfer of shares, must conform with Section 21.732.
(f) In this section, "mandatory application date" has the meaning assigned by Section 401.001.