Before commencing his or her duties, an interpreter appointed under this subchapter shall take an oath in substantially the following form: “Do you [swear] [affirm] that you will make a true and impartial interpretation using your best skills and judgment in accordance with the standards and ethics of the interpreter profession and that you will abide by the Arkansas Code of Professional Responsibility for Interpreters in the Judiciary, [so help you God][under the penalty of perjury]?”