What happens to a stepparent's parenting time if the biological parent later restricts contact?

If a stepparent already has a formal parenting time or contact order, a biological parent cannot simply restrict or end it on their own - the order remains valid and enforceable until a court varies or sets it aside, the same as any other parenting order. A biological parent who wants to change or end the arrangement needs to bring a motion to change, showing a material change in circumstances that justifies revisiting the existing order, rather than unilaterally deciding to limit contact.

Where the stepparent's contact was only ever informal - never reduced to a court order or written agreement - the biological parent has much more practical latitude to restrict it, since there's no existing order protecting the arrangement. In that situation, a stepparent who believes the relationship is genuinely valuable to the child can respond by applying to the court for a formal parenting time or contact order, using the same non-parent standing framework available to other close relatives, rather than simply accepting the restriction. Whether that's realistic depends on how established and documented the stepparent's actual relationship with the child has been.