Missouri’s life insurance laws are governed by Title 20 of the Missouri Code of State Regulations and Chapter 376 of the Missouri Revised Statutes 

Insurers must provide a 10-day free look period or provide a buyer’s guide and policy summary before the insured makes the first premium payment (MO Ann. Stat. 376.706)

31-day grace period (MO 376.726)

Interest begins to accrue on claims that take more than 30 days to settle (MO 374.191)