(a) Subject to Section 10A-8A-9.10, a plan of merger must be consented to by all the partners of a constituent partnership.
(b) Subject to Section 10A-8A-9.10 and any contractual rights, after a merger is approved, and at any time before a filing is made under Section 10A-8A-9.08, a constituent partnership may amend the plan or abandon the merger:
(1) as provided in the plan; and
(2) except as prohibited by the plan, with the same consent as was required to approve the plan.