The procedures of this part are alternative to Part 8 (commencing with Section 8680) and Part 11 (commencing with Section 8750) relating to the partial or full payment of assessments and advance retirement of bonds. Except as otherwise provided, Part 8 (commencing with Section 8680) and Part 11 (commencing with Section 8750) apply. When it is proposed to proceed under this part, it shall be so stated in the resolution of intention.