Written acknowledgment as proof of receipt

§ 131. Written acknowledgment as proof of receipt Except as provided in section 125(c) and except in the case of actions brought under section 130(d), in any action or proceeding by or against any subsequent assignee of the original creditor without knowledge to the contrary by the assignee when he acquires the obligation, written acknowledgment of receipt by a person to whom a statement is required to be given pursuant to this title shall be conclusive proof of the delivery thereof and, unless the violation is apparent on the face of the statement, of compliance with this chapter. This section does not affect the rights of the obligor in any action against the original creditor.