Yes, because the household's plans may rest on assumptions the change disturbs. A delay can affect a child approaching twenty-one, a spouse's employment planning, and school enrolment decisions. Derivative eligibility covers an eligible spouse and unmarried children under twenty-one, subject to any applicable child-status protection, and a pending case still confers no work or travel authorization on anyone.
Re-test the household plan against the new timetable
Take the revised project schedule and walk it through the family's own calendar: lease ends, school years, employment notice periods, and any age threshold. Identify which household commitments were made on the old assumptions and whether any can still be reversed cheaply. Where a delay would create a real problem for a family member, raise it with counsel as a specific question rather than as general anxiety, and ask what options exist.
Walk the revised project schedule through the family's own calendar: lease ends, school years, employment notice periods, and any age threshold. Identify which household commitments were made on the old assumptions and whether any can still be reversed cheaply, because the cost of reversal is what should decide the order in which things are unwound. Derivative eligibility covers an eligible spouse and unmarried children under twenty-one, and a pending case confers no work or travel authorisation on anyone.