Okla. Stat. tit. 36, § 1250.6

A. Every property and casualty insurer, within thirty (30) days after receiving notification of a claim, shall acknowledge the receipt of such notification unless payment is made within such period of time. If an acknowledgement is made by means other than writing, an appropriate notation of such acknowledgement shall be made in the claim file of the property and casualty insurer, and dated. Notification given to an agent of a property and casualty insurer shall be notification to the insurer. B. Every property and casualty insurer, upon receiving notification of a claim, promptly shall provide necessary claim forms, instruction, and reasonable assistance so that first party claimants can comply with the policy conditions and the reasonable requirements of the property and casualty insurer. Compliance with this paragraph within thirty (30) days after notification of a claim shall constitute compliance with subsection A of this section.