The information collection provisions
found in the guidance include FDA recommendations for including the
non-ABO/Rh(D) historical antigen typing results on a tie-tag or
directly on the container label, and for conveying any change in
their antigen typing or labeling practices to their consignees,
including practices for repeating historical RBC typing results on
current donations and for labeling RBC units with historical RBC
antigen typing results.