(a) Notice of an annual meeting shall be published once not fewer than 10 days nor more than 40 days before the date of the meeting. The notice shall also be displayed at the place of business of the savings bank in a manner to be prescribed by the Commissioner. The notice must state the time, place, and purpose of the meeting.
     (b) For any special meeting or for any annual meeting that is to consider any proposition that requires an affirmative vote of two-thirds of the members or stockholders or any proposition to amend the articles of incorporation of the savings bank, the notice must be by mail, postmarked between 10 and 40 days before the date of the meeting, and must also be posted at the savings bank’s offices as if for an annual meeting, beginning on the date notice is given. All notices must state the time, place, and purpose of the meeting.