A. COMPUTATION. 1. In computing any period of time prescribed or allowed by this title, by the rules of any court of this state, or by order of a court of this state, the day of the act, event, or default from which the designated period of time begins to run shall not be included. The last day of the period so computed shall be included, unless it is a legal holiday as defined by Section 82.1 of Title 25 of the Oklahoma Statutes or any other day when the office of the court clerk does not remain open for public business until the regularly scheduled closing time, in which event the period runs until the end of the next day which is not a legal holiday or a day when the office of the court clerk does not remain open for public business until the regularly scheduled closing time. Except for the times provided in Sections 765, 990.3, 1148.4, 1148.5, 1148.5A, and 1756 of this title, when the period of time prescribed or allowed is less than eleven (11) days, intermediate legal holidays and any other day when the office of the court clerk does not remain open for public business until the regularly scheduled closing time, shall be excluded from the computation.2. For actions filed on or after November 1, 1999, and on or before June 30, 2000, any period of time prescribed or allowed by this title, by the rules of any court, by an order of a court, or by any applicable statute, shall be computed pursuant to the shortest time prescribed by the law in effect before November 1, 1999, the law in effect prior to the effective date of this act, or this act, unless the court finds that to do so would result in injustice.B. ENLARGEMENT. When by this title or by a notice given thereunder by order of court an act is required or allowed to be done at or within a specified time, the court for cause shown may at any time in its discretion: 1. With or without motion or notice order the period enlarged if request therefor is made before the expiration of the period originally prescribed or as extended by a previous order; or2. Upon motion made after the expiration of the specified period permit the act to be done where the failure to act was the result of excusable neglect; but it may not extend the time set forth in this title for taking an appeal from a judgment, decree or appealable order, or for seeking a new trial, a judgment notwithstanding the verdict, or to correct, open, modify, vacate or reconsider a judgment, decree, or appealable order, except as provided in the sections governing such proceedings.C. FOR MOTIONS - AFFIDAVITS. A written motion, other than one which may be heard ex parte, and notice of the hearing thereof, shall be served not later than five (5) days before the time specified for the hearing, unless a different period is fixed by the Oklahoma Statutes, court rules, or by an order of the court. Such an order may for cause shown be made on ex parte application. When a motion is supported by affidavit, the affidavit shall be served with the motion.D. ADDITIONAL TIME AFTER SERVICE BY MAIL, THIRD-PARTY COMMERCIAL CARRIER OR ELECTRONIC MEANS. Whenever a party has the right or is required to do some act or take some proceedings within a prescribed period after the service of a notice or other paper upon the party and the notice or paper is served upon the party by mail, third-party commercial carrier or electronic means, three (3) days shall be added to the prescribed period; provided, however, when a summons and petition are served by mail, a defendant shall serve an answer within twenty (20) days or thirty-five (35) days if pursuant to subsection A of Section 2012 of this title, after the date of receipt or if refused, the date of refusal of the summons and petition by the defendant.Okla. Stat. tit. 12, § 2006
Added by Laws 1984, SB 417, c. 164, §6, eff. 11/1/1984; Amended by Laws 1985, HB 1408, c. 277, §7, eff. 11/1/1985; Amended by Laws 1995, HB 1500, c. 253, §4, eff. 11/1/1995; Amended by Laws 1999 , SB 751, c. 293, §20, eff. 11/1/1999; Amended by Laws 2000 , HB 2535, c. 260, §1, emerg. eff. 6/1/2000; Amended by Laws 2001 , SB 394, c. 178, §1, emerg. eff. 5/2/2001; Amended by Laws 2007 , SB 634, c. 12, §9, eff. 11/1/2007.