1. NNC Implementation Steering Group Procedure for Area by Area Data Integrity and Consistency Checking

2. Area completes data template Area sends completed template to NPD NPD conducts initial analysis Validation Checks 1, 2, 3,4, 5 and 6 Initial Data Checks Area responds to queries Further queries All initial queries resolved NPD communicates to Area Queries arising from Checks 1 – 6

3. Initial Cost and Equal Pay Analysis NPD carry out initial cost analysis to identify any further potential data anomalies Checks 7 and 8 NPD communicates to Area Queries arising from Checks 7 and 8 Area responds to queries Further queries All initial queries resolved NPD carry out initial Equal Pay Data Analysis Check 9

4. Validation Sub-group Review Sub-group reports issues to NNC Implementation Steering Group Further analysis required Report by data analysts to Validation Sub-group Sub-group not unanimous or wish to refer on a matter of principle Sub-group not happy with technical aspects of Area analysis NNC Implementation Steering Group responds to Sub-group Sub-group agrees to authorise implementation Area informed by Chair of NNC Implementation Steering Group