When parents of young children get divorced in Illinois, they must file a parenting plan with the court that includes a parenting time formula or schedule with sufficient detail to enable court enforcement. Thereafter, if either parent wants to change the parenting time schedule, they can do so at any time by either making an informal agreement between themselves or going back to court to formally request a parenting time modification.
The Illinois Supreme Court has published a standard Parenting Plan form designed to ease the process of defining and modifying a parenting time schedule. This form spells out a reasonable process for changing your parenting time schedule.
Modifying Parenting Time by Agreement
For example, suppose you originally agreed to a schedule that designated Halloween as a holiday on which each parent would have the children every other year. However, you would prefer not to treat Halloween as a holiday anymore and instead treat it like a regular day....