California Code, Streets and Highways Code - SHC § 27229

Whenever the board deems it necessary or advisable to refund any outstanding bonds, it may, by resolution, declare such necessity or advisability and outline a general plan of refunding, including the issuance of refunding bonds and the terms and conditions thereof.

Upon adopting a general plan of refunding, the board shall, by resolution, provide for submitting to the qualified electors of the district the proposition of whether the refunding bonds shall issue.  The resolution shall provide for the manner of submitting the proposition to the electors, and shall state the purpose of the refunding, the terms and conditions of the bonds, and any other facts essential for the information of the electors.  The election held on the proposition shall conform to the provisions of this article.

If the proposition is favorably voted upon, the board of directors has plenary power in the matter of executing the bonds and providing for their sale and disposition.