(a) Notice under this chapter shall be in writing, except that oral notice is effective if it is reasonable under the circumstances and not prohibited by the articles or bylaws.

(b) Notice may be communicated in person, by telephone, telegraph, teletype, or other form of wire or wireless communication, or by mail or private carrier. If these forms of personal notice are impracticable, notice may be communicated by a newspaper of general circulation in the area where published, or by radio, television, or other form of public broadcast communication.

(c) Written notice by a domestic cooperative to its members, if in a comprehensible form, is effective when mailed, if mailed postpaid and correctly addressed to the member's address shown in the cooperative's current record of members.

(d) Written notice to a domestic cooperative may be addressed to its registered agent at its registered office or to the cooperative or its secretary at its principal office shown in its most recent annual report.

(e) Except as provided in subsection (c), written notice, if in a comprehensible form, is effective at the earliest of the following:

(1) When received;

(2) Five (5) days after its deposit in the United States mail, if mailed correctly addressed and with first class postage affixed;

(3) On the date shown on the return receipt, if sent by registered or certified mail, return receipt requested, and the receipt is signed by or on behalf of the addressee; or

(4) Twenty (20) days after its deposit in the United States mail, as evidenced by the postmark if mailed correctly addressed, and with other than first class, registered or certified postage affixed.

(f) Oral notice is effective when communicated if communicated in a comprehensible manner.

(g) If this chapter prescribes notice requirements for particular circumstances, those requirements govern. If the articles or bylaws prescribe notice requirements not inconsistent with this section or other provisions of this chapter, those requirements govern.