77 Ill. Adm. Code 790.220
Single Source Drug Products Exclusion
Section 790
Section 790.220Â Single
Source Drug Products Exclusion
Single source drug products
which are available only under a single brand name label shall be excluded.Â
Products which have a single source manufacturer, but which may be distributed
under multiple labels are listed with a warning for pharmacists to ascertain
that the product selected was produced by the approved manufacturer.