(a) prohibit the establishment of a purchasing group;
(b) make it unlawful for an insurer to provide or offer to provide liability insurance on a basis providing, to a purchasing group or its members, advantages, based on their loss and expense experience, not afforded to other persons with respect to rates, policy forms, coverages or other matters;
(c) prohibit a purchasing group or its members from purchasing liability insurance on a group basis described in subsection (b) of this section;
(d) prohibit a purchasing group from obtaining liability insurance on a group basis because the group has not been in existence for a minimum period of time or because any member has not belonged to the group for a minimum period of time;
(e) require that a purchasing group must have a minimum number of members, common ownership or affiliation, or a certain legal form;
(f) require that a certain percentage of a purchasing group must obtain liability insurance on a group basis; or
(g) otherwise discriminate against a purchasing group or any of its members.