CA Water Code Section 36061

A district may, when necessary or proper, issue additional bonds in the same manner as provided for the original issue for any one or more of the following purposes:

(a)

To accomplish one or more of the purposes specified in Section 35954.

(b)

To refund any issue of bonds previously made. Refunding bonds may be issued pursuant to Article 9 (commencing with Section 53550) of Chapter 3 of Part 1 of Division 2 of Title 5 of the Government Code, without submitting the question of issuance of the refunding bonds to a vote of the qualified electors.