(1)    Applicability. This section applies to a notice that is required under this chapter or that is made subject to this section by express reference to this section.

   (2)   When oral notice permitted. A person shall give notice in writing, except that notices to or from a bank may be given orally, if permitted by the bank’s articles of incorporation or bylaws and not otherwise prohibited by this chapter.

   (3)   Method of providing written notice. Unless otherwise provided in the articles of incorporation or bylaws, notice may be communicated in person, by telephone, telegraph, teletype, facsimile 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.

   (4)   Date notice is effective.

      (a)    Except as provided in par. (b) and ss. 221.0607 (2) and 221.0622 (1), written notice is effective on the earliest of the following:

         1.    On the date received.

         2.    Five days after deposit of the notice in the U.S. mail, if mailed postpaid and correctly addressed.

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

         4.    On the effective date specified in the articles of incorporation or bylaws.

      (b)    Written notice by a bank to a shareholder of the bank is effective when mailed. The notice may be addressed to the shareholder’s address shown in the bank’s current record of shareholders.

      (c)    Oral notice is effective when communicated.