Field help (NCSCLOSEST) 

This field, if populated, displays the closed status of this reported non-conformity. This will display 'Completed' if this non-conformance is implemented and the product or solution is approved as 'fit for purpose' and is complete, and if it is closed. It will display 'Rejected' if this reported non-conformance is rejected and is closed. If this field is blank this non-conformance is still 'in progress'.