Arkansas Code Title 23. Public Utilities and Regulated Industries § 23-2-402. Powers and duties

(1) Issue subpoenas, subpoenas duces tecum, and all necessary process in proceedings pending before the commission, a commissioner, or an examiner;

(2) Administer oaths, examine witnesses, compel the production of records, books, papers, files, documents, contracts, correspondence, agreements, or accounts necessary for any investigation being conducted; and

(3) Certify official acts.