CA Gov't Code Section 53508.3

(a)

No bond shall be subject to mandatory tender for purchase or redemption prior to its fixed maturity date unless it contains a recital to that effect.

(b)

Any bond protected by its terms or by the terms of this section from mandatory tender for purchase or redemption prior to its fixed maturity date or for a specified period of time after issuance, may specify terms upon which the issuer may sell or transfer its right to require the bond to be tendered for purchase or redemption prior to its fixed maturity date.