California Code, Corporations Code - CORP § 402.5

(a) Notwithstanding paragraph (9) of subdivision (a) of Section 204, include a provision requiring a vote of a specified percentage or proportion of the outstanding shares of the class or series that is less than a majority of the class or series to approve any corporate action, except where the vote of a majority or greater proportion of the class or series is required by this division, regardless of restrictions or limitations on the voting rights thereof.

(b) Notwithstanding paragraph (5) of subdivision (a) of Section 204, provide that in addition to the requirement of subdivision (a) of Section 1900 the corporation may voluntarily wind up and dissolve only upon the vote of a specified percentage (which shall not exceed 66 2/3 percent) of such class or series.

(c) Notwithstanding subdivision (a) of Section 500, provide that a distribution may be made without regard to the preferential dividends arrears amount, or any preferential rights amount, or both, as described in paragraphs (1) and (2) of subdivision (a) of Section 500.