All notices of termination or nonrenewal required by this chapter:
(a) Shall be in writing;
(b) Shall be posted by registered, certified or other receipted mail, delivered by telegram or personally delivered to the franchisee; and
(c) Shall contain a statement of intent to terminate or not renew the franchise:
(1) Together with the reasons therefor, and
(2) The effective date of such termination or nonrenewal or expiration.