Section 18534.3 Of Article 13. Issuance And Sale Of Bonds From California Education Code >> Division 1. >> Title 1. >> Part 11. >> Chapter 3. >> Article 13.

. The board of supervisors may divide the principal amount of any issue into two or more series and fix different dates for the bonds of each series. The bonds of one series may be made payable at different times from those of any other series.