Code identifying purpose of transaction set

Code identifying the type and handling of a Parameter Trace Registration

Code indicating the type of parameter tracing desired

Code indicating the type of output events

Reference information as defined for a particular Transaction Set or as specified by the Reference Identification Qualifier

Code indicating a Yes or No condition or response

Code indicating a Yes or No condition or response

Code indicating a Yes or No condition or response

Occurrence counter

Code identifying a party or other code

Code identifying a pool of equipment assigned to a specific shipper

Code indicating a code from a specific industry code list