Section 3081 Of Chapter 4. Joint Custody From California Family Law Code >> Division 8. >> Part 2. >> Chapter 4.

. On application of either parent, joint custody may be ordered in the discretion of the court in cases other than those described in Section 3080, subject to Section 3011. For the purpose of assisting the court in making a determination whether joint custody is appropriate under this section, the court may direct that an investigation be conducted pursuant to Chapter 6 (commencing with Section 3110).