Administrative Order No. 10 probably provides more Arkansas child support law than any other single document. Therefore there's no better place to start if you have questions about Arkansas child support, how its calculated, what you can deduct, etc. Here's the link to Administrative Order No. 10...
In Russellville:
127 East 3rd Street
Russellville, Arkansas 72801
Phone: (479) 434-2414
Fax: (479) 434-2415
Mon - Fri 8:30am - 5:00pm (Closed 12:00pm - 1:00pm)