Legal Question in Family Law in Nevada

Try the low-cost approach first. Get those payroll records, and make an appointment with your assigned case manager, to see if they can clear the matter as an internal administrative matter. If not, attempt to get a hearing before a child support master to challenge the imposition of arrears, supplying the relevant evidence. if you are not making headway yourself, you may have to hire counsel to deal with it -- but do not simply ignore a $50k liability; if you do, it will only get worse.