(2) Any objections or protests, whether to the things proposed by the resolution of intention or to any changes proposed pursuant to ORS 376.765, not made at the time and in the manner provided by ORS 376.705 to 376.825 are deemed voluntarily waived, and the proceedings under ORS 376.705 to 376.825 shall not be attacked on any ground not stated in a written objection filed as provided in ORS 376.705 to 376.825.
(3) Except in the case of a majority protest, as provided in ORS 376.760, the legislative body may sustain or deny any or all objections or protests and its determination is final.
(4) The hearing may be continued from time to time by order entered on the minutes. [1961 c.666 §§15,19]