After plenary order is in effect Lawyer Manual

A Plenary OP lasts until the expiration date, unless someone goes to court to terminate, modify, or extend it. The order can be:

• Terminated within 30 days of entry for good cause,
• Modified to change specific remedies (visits, etc.),
• Consolidated with a family law matter, as well as other case types (so if they go on to do a parental responsibilities case or divorce case).

The OP can be modified multiple times. 750 ILCS 60/220(e). An order can be extended as long as it is approved—there is no 2-year limit. Extensions can only be granted in open court. There is no requirement of new allegations.

If the OP ends on a court holiday, it is automatically extended another day.

If the Respondent violates the POP, follow the enforcement procedure explained in the Service on Respondent chapter.