To identify a milestone number

A free-form description to clarify the related data elements and their content

Code specifying type of date or time, or both date and time

Date (YYMMDD)

Code specifying type of date or time, or both date and time

Date (YYMMDD)

Numeric value of quantity

Code indicating the status for a work task

Code indicating type of action

Code Qualifying the Reference Identification

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

MIL12 is available for a symbol number, WBS number or other associated reference number.