Notice of meetings of said corporation, specifying the time, place, and object thereof, shall be read from the pulpit on the 2 successive Sundays preceding such meeting on which services shall be held: Provided, however, That in case it is proposed to amend the articles of association, the proposed amendment, together with a notice of the meeting called for its consideration, shall be read from the pulpit on the 3 successive Sundays, immediately preceding such meeting on which services shall be held; and the proposed amendment shall not itself be amended, in any material point, in the meeting so called for its consideration: And Provided further, That if there should be no public services at which the notice herein required may be given, said notice may be posted on the church door or published in the town, city or county newspaper whose circulation among the members is greatest, for 3 weeks preceding such meeting, specifying the time and place and object thereof.