Mo. Rev. Stat. § 380.531
Current with changes from the 2023 Legislative Session
Except as otherwise specifically provided in sections 380.201 to 380.591, notice for all purposes required by any provision of those sections shall consist of written or printed notice delivered to the insured or other person to be notified or deposited in the post office directed to him at his address as shown on the records of the company.
§ 380.531, RSMo
Effective 1/1/1985