Section 376.424 - Group health insurance policies may be extended to insure family members or dependentsExcept for a policy issued under subdivision (2) of subsection 1 of section 376.421, a group health insurance policy may be extended to insure the employees and members with respect to their family members or dependents, or any class or classes thereof, subject to the following:
(1) The premium for the insurance shall be paid either from funds contributed by the employer, union, association or other person to whom the policy has been issued or from funds contributed by the covered persons, or from both. Except as provided in subdivision (2) of this section, a policy on which no part of the premium for the family members' or dependents' coverage is to be derived from funds contributed by the covered persons must insure all eligible employees or members with respect to their family members or dependents, or any class or classes thereof;(2) An insurer may exclude or limit the coverage on any family member or dependent as to whom evidence of individual insurability is not satisfactory to the insurer, subject to sections 376.406 and 376.776 in a policy insuring fewer than ten employees or members and in a policy insuring ten or more employees or members if: (a) Application is not made within thirty-one days after the date of eligibility for insurance; or(b) The employee or member voluntarily terminated the insurance of the family member or dependent while such family member or dependent continues to be eligible for insurance under the policy; or(c) After the expiration of an open enrollment period during which the family member or dependent could have been enrolled for the insurance or could have been enrolled for another level of benefits under the policy.