This is the assessment in Appendix A of SECY-97-213.
It is nice to be confident. It is nicer to be sure.
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ISSUES CONSIDERED MOST SIGNIFICANT
The most significant Year 2000 issue is NRC's inability to precisely determine and document the status of systems that are outside agency control. This category includes systems services provided by other Government agencies and systems acquired from commercial sources. Most of the services are provided by major vendors such as AT&T, Bell Atlantic, Microsoft, and IBM. We are confident that these providers will correct any Year 2000 problems in such a manner as to prevent interruption of the business functions of their customers.