RTC 6.0.1 Importing records to Specific Work Item from CSV
One answer
The work item type is an attribute of the work item. If you import the workitems using a certain type, you need to have a column in the csv file for the type.
Please see the document for the details of importing work item from csv file: https://jazz.net/help-dev/clm/index.jsp?topic=%2Fcom.ibm.team.workitem.doc%2Ftopics%2Ft_importing_work_items_csv_file.html