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Building a Parenting Plan in Illinois: What Every Agreement Must Include

Jun 23, 2026 | Video Transcripts

When parents in Chicago separate or divorce, few things matter more than getting the parenting arrangement right. A well-crafted parenting plan protects your time with your children, reduces conflict, and provides the stability that children need to thrive during and after a family transition.

KHK Family Law & Divorce Attorneys brings 70+ years of combined family law experience to parents navigating this process in Chicago and the surrounding area. Attorney Matthew Katz, who holds a Master’s in Social Work from the University of Chicago and brings over 20 years of family law practice, approaches parenting plan matters with both legal precision and a genuine understanding of what families are going through. Several members of the KHK team are fluent in English and Spanish, including the managing partner.

The 120-Day Parenting Plan Filing Requirement

Illinois law imposes a specific deadline on parents who are going through a divorce or allocation of parental responsibilities proceeding. Within the first 120 days of the case, both parties are required to submit a proposed parenting plan to the court.

This plan must address every key aspect of how the children’s lives will be structured: who has the children and when, where pickups and drop-offs occur, who holds decision-making authority over education, healthcare, religion, and extracurricular activities, how holidays and birthdays are handled, and what the school schedule looks like. The goal is to leave no ambiguity that could later become a source of conflict or manipulation.

The 120-day requirement is not merely procedural. It reflects a broader policy goal of ensuring that children’s lives are stabilized as quickly as possible after a family separation, and that neither parent can use delay or ambiguity to gain an advantage over the other.

What a Parenting Time Schedule Actually Contains

A parenting time schedule is a detailed, legally binding document. It specifies not just which days each parent has the children, but the exact hours, the specific pickup and drop-off locations, and the designated times for birthdays, school breaks, religious holidays, and vacations.

These agreements are often 20 to 30 pages in length because the level of detail required is substantial. Every scenario that could reasonably arise needs to be addressed in advance. The document should answer questions like: What happens when a scheduled pickup conflicts with a school event? Who has the child on Mother’s Day? What notice is required before travel out of state?

Illinois even has a criminal statute called visitation interference, which means that if one parent violates the parenting agreement, the other can contact law enforcement, produce the court-signed order, and have it enforced on the spot. The power of a well-written parenting plan is that it eliminates ambiguity, and with it, much of the fodder for ongoing disputes.

Vacation and Holiday Parenting Time

Vacation time is one of the most valuable and frequently disputed elements of a parenting plan. It represents an opportunity for genuine, unhurried time with your children away from the daily pressures of work and school logistics. Illinois courts recognize the importance of this bonding time, and parenting plans typically include provisions for summer vacations, school breaks, and holiday periods.

The specific allocation of vacation days is negotiated as part of the overall parenting plan and can take many forms. One parent may receive two consecutive weeks of summer vacation, while the other receives a week or five days. Holiday schedules often alternate on a yearly basis so that each parent has meaningful time with the children during significant occasions. Travel, including travel outside of Illinois, must also be addressed, including notice requirements and consent provisions.

Managing Conflict: Pickup and Drop-Off Arrangements

In cases where the relationship between parents is contentious, the manner in which children are exchanged between households can itself become a flashpoint for conflict. Illinois parenting plans can and should address this by specifying that exchanges happen in neutral, public locations such as a local library, a restaurant parking lot, or another agreed-upon setting that minimizes face-to-face tension between the parents.

Even in lower-conflict cases, it is important that the parenting plan spell out exactly where and how exchanges will occur. Vagueness invites disagreement. When the plan is specific, there is no room for one parent to claim the other was late, at the wrong location, or otherwise noncompliant.

When Parents Cannot Agree: Going to Trial

If the parents are unable to reach an agreement on a parenting plan, the case proceeds to trial. In contested parenting matters, the court may appoint a guardian ad litem, an attorney who represents the interests of the children and submits a written report with recommendations. Psychological evaluators may also be engaged to assess the family and offer testimony.

All of these professionals are subject to cross-examination at trial, and each parent has the full opportunity to present their case before the judge. The outcome depends on the evidence presented and the application of the best interests of the child standard, which is the governing framework in all Illinois parenting decisions.

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