GLOBAL_ID/CNTSHNUM (Control Sheet Number)

Attribute Format Table Guidelines & Restrictions Definition
C12    Valid Values for GeoTracker     SAMPLE CNTSHNUM may not be blank for QCCODE = CS. The code identifying the facility in GeoTracker. For Non-GeoTracker data this is a non-valid value free entry admin field.
CNTSHNUM must be populated with GLOBAL_ID for the GeoTracker System.
Special Notes:
CNTSHNUM is not a valid value for the standard EDF format. However, GeoTracker requires a valid value (GLOBAL_ID) for this field.