Section 51654 Of Article 2. Delinquency Sales On Bonded Assessments From California Water Code >> Division 15. >> Part 7. >> Chapter 4. >> Article 2.

. No sale, certificate of sale, or deed made for a valid delinquent assessment shall be adjudged invalid, unless the amount of the delinquent assessment, penalties, interest, and costs has been refunded to the purchaser of the parcel.