Okla. Stat. tit. 85, § 104
All books, records and payrolls of the employers showing or reflecting in any way upon the amount of wage expenditures of such employers shall always be open for inspection by the Administrator or any other authorized auditors, accountants, or inspector for the purpose of ascertaining the correctness of the wage expenditure and number of men employed and such other information as may be necessary for the purposes and uses of the Administrator in the administration of the Workers' Compensation Act. No person shall be excused from testifying or from producing any books or papers or documents in any investigation or inquiry, by or upon any hearing before the Court, when ordered to do so by the Court, upon the ground that the testimony or payroll or other competent evidence required of him may tend to incriminate him or subject him to penalty or forfeiture; but no person shall be prosecuted, punished or subjected to any penalty or forfeiture for or on account of any act, transaction, matter or thing concerning which he shall under oath, have, by order of the Court, testified to or produced documentary evidence of; provided however, that no person so testifying shall be exempt from prosecution or punishment for any perjury committed by him in his testimony.
Added by Laws 1915, HB 106, c. 246, art. 5, § 4; Amended by Laws 1977, HB 1228, c. 234, § 48, emerg. eff. July 1, 1978.