Section 52731 Of Article 2. Sinking Fund From California Water Code >> Division 15. >> Part 8. >> Chapter 4. >> Article 2.

. The county treasurer, at least 90 days before the first day of January in each year during which the refunding bonds are outstanding, shall levy and collect a call against the assessment securing the payment of the principal and interest of the refunding bonds, in addition to all other calls required by law to be made, sufficient to provide the amounts of such sinking fund payments for the then current year.