Quick answer
A parenting plan can address predictable procedures even when exact work hours vary.
Do now
Identify how far ahead schedules become available, backup childcare, school transport, and a default schedule if no agreement is reached. Propose clear notice and response times. Ask about formal modification when the existing order is unworkable.
Watch for
Open-ended “as agreed” language can create repeated disputes. Do not assume a last-minute work conflict automatically cancels your obligations or transfers costs to the other parent.
Official sources
NJ Courts — FD modification application packet, NY Courts — Custody and Visitation, DC Courts — Family Court Self-Help Center.