Oklahoma Administrative Code
Title 365 - Insurance Department
Chapter 15 - Property and Casualty
Subchapter 1 - General Provisions
Section 365:15-1-14 - Notice of cancellation or non-renewal

(a) Unless otherwise provided, insurers shall give at least ten (10) days notice prior to the date of cancellation and twenty (20) days notice prior to the date of non-renewal of the insurance policy.

(b) Insurers shall give at least thirty (30) days notice prior to the date of non-renewal of a homeowner's insurance policy or any other personal residential insurance coverage.

(c) If notice is given by mail, said notice shall be deemed to have been given on the day said notice is mailed. Proof of mailing of the notice of cancellation or non-renewal to the named insured at the address shown in the policy, shall be sufficient proof of notice.