Section 52853 Of Chapter 5. Creation Of Reserve Fund Pursuant To Agreement With The United States From California Water Code >> Division 15. >> Part 8. >> Chapter 5.

. The county treasurer shall call such part of the principal of the assessment securing the refunding bonds, not exceeding the amount by which the unpaid principal amount of the assessment exceeds the principal amount of bonds secured thereby, as is necessary to restore the amount of depletion of the reserve fund caused by authorized payments therefrom.