Okla. Stat. tit. 12, § 12-2007: Pleadings allowed - Form of motions

PLEADINGS ALLOWED; FORM OF MOTIONS

A. PLEADINGS. There shall be a petition and an answer; a reply

to a counterclaim denominated as such; an answer to a cross-claim,

if the answer contains a cross-claim denominated as such; a third-

party petition, if a person who was not an original party is

summoned under the provisions of Section 14 of this act; and a

third-party answer, if a third-party petition is served. No other

pleading shall be allowed, except that the court may order a reply

to an answer or a third-party answer.

B. MOTIONS AND OTHER PAPERS.

1. An application to the court for an order shall be by motion

which, unless made during a hearing or trial, shall be made in

writing, shall state with particularity the grounds therefor, and

shall set forth the relief or order sought. The requirement of

writing is fulfilled if the motion is stated in a written notice of

the hearing of the motion.

2. The rules applicable to captions, signing, and other matters

of form of pleadings apply to all motions and other papers provided

for by this act.

3. All motions shall be signed in accordance with Section 11 of

this act.

C. DEMURRERS TO THE PLEADINGS, PLEAS, ETC., ABOLISHED.

Demurrers to the pleadings, pleas, and exceptions for insufficiency

of a pleading shall not be used.