Source: http://www.gordonfamilylaw.com/blog/?offset=1492229334543&category=Custody
Timestamp: 2019-04-22 07:07:12+00:00

Document:
When a request for joint custody is granted or denied, the court, upon the request of any party, shall state in its decision the reasons for granting or denying the request. A statement that joint physical custody is, or is not, in the best interest of the child is not sufficient to satisfy the requirements of this section.
Do grandparents have a right to visitation with their grandchildren?
· The child has been adopted by a stepparent (Fam C §3104(b)(5); Finberg v Manset (2014) 223 CA4th 529, 532).
A court has authority to grant “reasonable visitation” to grandparents in dissolution, nullity, or legal separation proceedings. Fam C §3101. In addition, if either natural parent is deceased or incarcerated, the court may grant reasonable visitation of a minor child not only to the parents and grandparents of the deceased parent, but also to any children or siblings of the deceased parent. Fam C §3102.
If you are Grandparent and are looking to ask the Court for visitation, you have two options when it comes to asserting a right to contact with a child: (1) Either a guardianship proceeding must be initiated, or (2) the grandparent must assert a claim either by filing a separate petition initiating a family law action or by seeking an order in an existing action under Fam C §3021. See Fam C §3103. For (2), you should speak to a lawyer regarding the Joinder procedures.
The judgment of the natural parents will control the grandparent’s contact in most cases, and any contact must still be deemed in the child’s “best interest.” Fam C §3104(a)(1). The family court may make no more than a visitation order between the child and the grandparents. However, in light of the effect this may have on the custody proceeding, the grandparents may also be ordered to pay child support as well as medical and daycare expenses for the child. Fam C §3103(g)(2).
Reassure your children that they are loved and that the divorce is not their fault. Many children assume that they are to blame for their parent's hostility.
At every step during your divorce, remind yourself that your children's interests – not yours – are paramount, and act accordingly. Lavish them with love at each opportunity.
If you are the custodial parent and you are not receiving child support, do not tell your children. It feeds into the child's sense of abandonment and further erodes his or her stability.
If at all possible, do not uproot your children. Stability in their residence and school life helps buffer children from the trauma of their parent's divorce.
Do I need my ex’s permission to enroll my child in swimming lessons during my parenting time?
No. You do not need your co-parent’s permission to enroll your child in extracurricular activities during your parenting time. The decision to permit participation is a parenting decision. So long as a parent has sole or joint legal custody, they may enroll a child. If there is a dispute about whether the enrollment unreasonably infringes on the other parent's custodial time or if the child's participation is in the child's best interest are issues that a court can resolve if the parents disagree.
The requirement for an agreement between the parents is usually tied to the expense of the activity, so that one parent cannot unilaterally commit the finances of the other parent. However, since extracurricular activities are a discretionary add-on, there is no absolute right to require the other parent to share the cost (although, in practice, this is usually what courts order).

References: §3104
 §3101
 §3102
 §3021
 §3103
 §3104
 §3103