Based on a proposal made by the Japanese delegation, WGIP with the approval of CNRA began a task on the Inspection of Maintenance on Safety Systems during Operation of NPPs is 1999. Response to a survey provided information on the way NEA Member countries inspect licensees during this process. The report compiles the responses and provides analysis of the results. The report also provides conclusions and commendable practices.
The commendable practices are not international standards nor guidelines. Inspection practices should be determined by each country, considering its regulatory environment and practices as well as its social and cultural backgrounds. Commendable practices can be useful reference when each country improves its inspection practices.