Sec. 5. A written notice under this chapter must comply with the following:
(1) The notice must be sent by certified mail.
(2) The notice must state the following:
(A) The effective date of the amendment of, cancellation of, termination of, or refusal to renew the distribution agreement.
(B) The:
(i) nature of; and
(ii) reason for;
the amendment of, cancellation of, termination of, or refusal to renew the distribution agreement. In the case of a notice provided by a primary source of supply under section 2 or 3 of this chapter, the notice must state the reason that constitutes good cause for purposes of those sections.