Division 4 (commencing with Section 2800) and Division 4.5 (commencing with Section 3100) do not apply to this part or proceedings taken pursuant to this part, except that Division 4.5 (commencing with Section 3100) does apply to proceedings in which the legislative body determines to issue bonds or notes pursuant to Section 22662.5, and may be applied to any other proceedings pursuant to this part at the discretion of the legislative body.