California Code, Corporations Code - CORP § 15904.09

(a) A partnership agreement may provide for the creation of classes of general partners. The partnership agreement shall define the rights, powers, and duties of those classes including rights, powers, and duties senior to other classes of general partners.

(b) The partnership agreement may provide to all or certain specified classes of general partners the right to vote separately or with all or any class of the general partners on any matters.