Section 9278 Of Chapter 3. Validating Proceedings From California Water Code >> Division 5. >> Part 5. >> Chapter 3.

. Unless the aggregate amount of the whole of the assessment is modified or amended by the judgment in the proceedings so as to cause a difference of more than 2 1/2 percent greater or less than the original total amount of the assessment, the assessment shall not be deemed to have been substantially modified and no necessity shall exist for a reapportionment thereof.