Do you know whether you can apply for enforcement when you are aware of the other party's intention to breach the order, but it has not yet happened? DP's ex has refused to let him have DSS for the week specified in the court order as she has booked a holiday 
Does he have to wait until the week has passed before he can apply for enforcement? If so, that means not seeing DSS for nearly two months as DP has a business trip abroad in the interim, preventing EOW contact.