We will enroll a new retrospective rating group only if:

(1) We approve the organization sponsoring the group;

(2) The members of the group qualify for group membership;

(3) The sponsor demonstrates an acceptable workplace safety and accident prevention plan for the group;

(4) The sponsor demonstrates an acceptable plan for cooperating with the department's claims management activities;

(5) At least half of the proposed members have been dues paying members of the sponsoring organization for at least one year;

(6) The standard premiums for the group members for the four quarters prior to enrollment total at least one million five hundred thousand dollars; and

(7) Enrolling the group will substantially improve workplace safety and accident prevention for its members.