Okla. Stat. tit. 20, § 1507

All fees authorized to be charged shall be paid to the Clerk of the Supreme Court who shall deposit them in the Supreme Court Revolving Fund. The Chief Justice shall be authorized to draw against the Supreme Court Revolving Fund such amounts as are lawfully claimed by the Board for its necessary supplies and expenses. When performing essential duties each Board member shall be entitled to his or her actual expenses and shall receive, in addition thereto, the sum of Fifty Dollars ($50.00) for each full day of service or a fraction thereof for less than a day's service.