The legislative body may remedy, revise, and correct any error or informality in any act, determination, or proceeding of the legislative body or any officer of the city. The legislative body may confirm, amend, alter, modify, or correct the assessment and diagram in such manner as to it shall be just and may instruct and direct the person or board making the same to correct them in any particular.
Ca. Sts. and High. Code § 10310.4