Okla. Stat. tit. 85A, § 85A-302: Notice

A. Except as otherwise provided in the Workers' Compensation

Arbitration Act, a person gives notice to another person by taking

action that is reasonably necessary to inform the other person in

ordinary course, whether or not the other person acquires knowledge

of the notice.

B. A person has notice if the person has knowledge of the

notice or has received notice.

C. A person shall be deemed to have received notice when it

comes to the person's attention or the notice is delivered at the

person's place of residence or place of business, or at another

location held out by the person as a place of delivery of the

communications.