Unique Identifier

Proposed Definition

1. Single attribute that uniquely identifies an entity in context.
2. An attribute that is sufficient to uniquely identify and identity in context.

Notes

Example: Examples of a single attribute identifier include email addresses (managed by email providers and the domain name registration system), Drivers License Number issued by state motor vehicle administrations or Taxpayer Identification Number (managed by the IRS and SSA).

Sources

TBD

Status

Proposed

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