Ark. Code Ann. § 28-77-104: Governing law

Except as otherwise provided in the terms of a trust or this chapter, this chapter applies when this state is the principal place of administration of a trust or estate. By accepting the trusteeship of a trust having its principal place of administration in this state or by moving the principal place of administration of a trust to this state, the trustee submits to the application of this chapter to any matter within the scope of this chapter involving the trust.