The regulations require that a carrier transmit a conditional data element referenced as a “consolidation identifier.” What is this data element and what is it used to indicate?

The regulations require that a carrier transmit a conditional data element referenced as a “consolidation identifier.” What is this data element and what is it used to indicate?

The consolidation identifier is a conditional element in the air waybill line of an Air AMS message.  An Air AMS participant includes the value “M” to identify the air waybill as a master air waybill which indicates that one or more house air waybills is associated with that master air waybill.