Arkansas Code
Chapter 1 - General Provisions
§ 28-1-117. Use of certified mail permitted

Anything permitted or required by the Probate Code to be served or transmitted by registered mail may be served or transmitted either by registered mail or by certified mail, and return receipts for the delivery of certified mail shall be received in the courts as prima facie evidence of the delivery to the same extent as return receipts for the delivery of registered mail.