AQ       Alternate Quantity and Unit of Measure
BB       Balancing Quantity
BD       Blueprint Deviation
C1       Transportation Limitations
C2       Source Limitations
C3       Contract Limitations
C4       Destination Limitations
C5       Confirmation Limitations
C6       Other Limitations
DC       Date Change
EV       Estimated Quantity
FE       Feasibility Issue
GU       Gross Volume per Pack and Unit of Measure
GW       Gross Weight per Pack
LD       Length Difference
MC       Pack/Size Measure Difference
MP       Minimum Order
PC       Pack Difference
PQ       Pack Qualifier
PS       Product/Services ID Change
QH       Quantity on Hand
QO       Quantity Ordered
QP       Quantity Based on Price Qualifier
QT       Quantity Price Break
SC       Size Difference
UM       Unit of Measure Difference
UP       Unit Price
WD       Width Difference
WO       Weight Qualifier/Gross Weight per Package
ZZ       Mutually Defined