Missouri Revised Statutes Title XII. Public Health and Welfare § 208.646. Waiting period required, when

There shall be a thirty-day waiting period after enrollment for uninsured children in families with an income of more than two hundred twenty-five percent of the federal poverty level before the child becomes eligible for insurance under the provisions of sections 208.631 to 208.658. If the parent or guardian with an income of more than two hundred twenty-five percent of the federal poverty level fails to meet the co-payment or premium requirements, the child shall not be eligible for coverage under sections 208.631 to 208.658 for ninety days after the department provides notice of such failure to the parent or guardian.