Section 51301 Of Article 2. Additional Assessments From California Water Code >> Division 15. >> Part 7. >> Chapter 2. >> Article 2.

. If any part of the principal or interest of bonds or refunding bonds is unpaid after enforcement of the assessment securing such bonds, the board of supervisors shall order an additional or supplemental assessment to be made as provided in Section 51300, sufficient to pay the unpaid principal and interest.