Article 126 - Adequate proof of assignment

(1) If notice of the assignment is given by the Assignee, the Obligor may request the Assignee to provide within a reasonable time adequate proof that the assignment has been made.
(2) Until adequate proof is provided, the Obligor may withhold payment.
(3) Unless adequate proof is provided, notice is not effective.
(4) Adequate proof includes, but is not limited to, any writing emanating from the Assignor and indicating that the assignment has taken place.