These are the starting point for Alex Jackl's recommendation for PII data elements for CCC based on the NIST the National Institute of Standards and Technology (NIST) recommended PII data elements.
Level 1 Elements are considered by NIST to be the most sensitive. NIST lists Level 2 Elements as those that must be used with caution as, when used in conjunction with other elements, may constitute a breach of privacy.
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