(a) A partnership agreement may provide for classes or groups of limited partners having such relative rights, powers, and duties as provided in the partnership agreement and may make provision for the future creation in the manner provided in the partnership agreement of additional classes or groups of limited partners having such relative rights, powers, and duties as may from time to time be established, including rights, powers, and duties senior to existing classes or groups of limited partners. A partnership agreement may provide for the taking of an action, including the amendment of the partnership agreement, without the vote or approval of any limited partner or class or group of limited partners, including an action to create under the provisions of the partnership agreement a class or group of partnership interests that was not previously outstanding.

(b) Subject to section 67-251, the partnership agreement may grant to all or a specified class or group of the limited partners the right to vote on a per capita or other basis separately or with all or any class or group of the limited partners or the general partners upon any matter.

(c) A partnership agreement which grants a right to vote to any class or group of limited partners may set forth provisions relating to notice of the time, place, or purpose of any meeting at which any matter is to be voted on by any limited partners, waiver of any such notice, action by consent without a meeting, the establishment of a record date, quorum requirements, voting in person or by proxy, or any other matter with respect to the exercise of any such right to vote.