Okla. Stat. tit. 28, § 103
Any person liable for any costs or fees shall be entitled to receive, on demand, a certified bill of the same, in which the items of service and the charge therefor shall be specially stated.
R.L. 1910, § 3242; [Comp. Stat. 1921, § 6447]; [St. 1931, § 1058].