Section 1966 Of Chapter 6. Sterilization From California Probate Code >> Division 4. >> Part 3. >> Chapter 6.

. After the filing of a first petition for sterilization pursuant to this chapter and a determination by the court that any one or more of the conditions required in Section 1958 has not been proven beyond a reasonable doubt, and that therefore authorization for the proposed sterilization should not be given by the court, a subsequent petition may be filed only on the showing of a material change in circumstances.