303.220.  Certificate of self-insurance — cancelled, when. — 1.  Any religious denomination which has more than twenty-five members with motor vehicles and discourages its members from purchasing insurance, of any form, as being contrary to its religious tenets, may qualify as a self-insurer by obtaining a self-insurance certificate issued by the director as provided in subsection 3 of this section.

  2.  Any person in whose name more than twenty-five motor vehicles are registered may qualify as a self-insurer by obtaining a certificate of self-insurance issued by the director as provided in subsection 3 of this section.

  3.  The director may, in his discretion, upon the application of any religious denomination or person described in subsection 1 or 2 of this section, issue a certificate of self-insurance when he is satisfied that such religious denomination or person is possessed and will continue to be possessed of the ability to pay judgments obtained against such religious denomination or person.

  4.  Upon not less than ten days' notice and a hearing pursuant to such notice, the director may, upon reasonable grounds, cancel a certificate of self-insurance.  Failure to pay any judgment within thirty days after such judgment shall have become final shall constitute a reasonable ground for the cancellation of a certificate of self-insurance.