Ark. Code Ann. § 6-20-1224

When any school district of Arkansas has paid in full all the bonds of any issue secured by an executed deed of trust with a nonresident trustee or with a trustee who since his or her appointment has become unable to serve, it shall be permitted through the school district's secretary to endorse the fact of payment upon the margin of the record of the deed of trust securing the bonds and to this shall be added the certificate of the circuit clerk if the school district can exhibit to him or her all of the paid and cancelled bonds and coupons.