Okla. Stat. tit. 85, Rule 5
All forms filed with the Court shall be file-stamped by the Clerk on the date of receipt. Time limits prescribed by law or these rules shall be calculated from the date of filing as reflected by the date of the file stamp on the document.
Adopted by order of July 12, 1990, eff. November 1, 1990; Amended by order of June 22, 1995, eff. July 1, 1995; Amended by order of the Supreme Court, 2006 OK 6, eff. January 1, 2006 (superseded document available).