(1) The new obligee must allow performance that the obligor renders to the previous obligee after the assignment, as well as any legal transaction entered into after assignment between the obligor and the previous obligee in respect of the claim, to be asserted against them, unless the obligor is aware of the assignment upon performance or upon entering into the legal transaction.
(2) If, in a legal dispute that became pending at court between the obligor and the previous obligee after the assignment, a final and binding judgment on the claim has been rendered, the new obligee must allow the judgment to be asserted against them, unless the obligor was aware of the assignment when legal proceedings became pending.