The Missouri Notice of Employer's Election to Become a Member of a Group Insurance Pool Pursuant to 287.200.4(3)(a), RSM is a legal form required by the Missouri Department of Insurance, Financial Institutions and Professional Registration. The form must be completed and submitted by employers who wish to join a group insurance pool. Employers must provide information including the name of the pool, the effective date of the policy, the employer's legal name and address, names of all owners/principals, and contact information for the employer. There are two types of Missouri Notice of Employer's Election to Become a Member of a Group Insurance Pool Pursuant to 287.200.4(3)(a), RSM: the Notice of Election to Become a Member of a Group Health Insurance Pool and the Notice of Election to Become a Member of a Group Life Insurance Pool.