Any award of punitive damages under this subsection awarded in any manner other than as required in this subsection shall be void and reversible error.
the jury, in a separate proceeding conducted after the jury has made such finding and awarded actual damages, may award punitive damages in an amount not to exceed the greatest of:
The trial court shall reduce any award for punitive damages awarded pursuant to the provisions of subparagraph c of this paragraph by the amount it finds the defendant or insurer has previously paid as a result of all punitive damage verdicts entered in any court of this state for the same conduct by the defendant or insurer. Any award of punitive damages under this subsection awarded in any manner other than as required in this subsection shall be void and reversible error.
Okla. Stat. tit. 23, § 9.1