The documents had to be retained for specified periods and be stored under certain procedures in accordance with Title 8, Records Management, of GAO's PolicyandProceduresManual.
The documents were kept secret since they held personal information.
mnli hypothesis: The documents were kept secret since they held personal information. premise: The documents had to be retained for specified periods and be stored under certain procedures in accordance with Title 8, Records Management, of GAO's PolicyandProceduresManual.