Okla. Stat. tit. 22, § 22-856: Requisites of charge of court - Presentation of written

charge - Request to charge - Endorsement of disposition on charge

presented - Partial refusal.

In charging the jury, the court must state to them all matters

of law which it thinks necessary for their information in giving

their verdict, and if it state the testimony of the case, it must in

addition inform the jury that they are the exclusive judges of all

questions of fact. Either party may present to the court any

written charge and request that it be given. If the court thinks it

correct and pertinent, it must be given; if not, it must be refused.

Upon each charge presented and given or refused the court must

endorse or sign its decision. If part of any written charge be

given and part refused the court must distinguish, showing by the

endorsement or answer what part of each charge was given and what

part refused.