If the practices given in par. 8.4.1 and 8.4.2 are ineffective, the operator may use pest control substances not listed
in CAN/CGSB-32.311, Organic Production Systems — Permitted Substances Lists. In situations in which pest
control substances not listed in CAN/CGSB-32.311, Organic Production Systems — Permitted Substances Lists,
are used indoors, the operator shall ensure that no organic products or packaging materials for those products are
present. Documentation shall be maintained showing the movement of organic products in order to avoid contact
with these substances and to record the use and disposition of all such substances.