National Identifier Types

Abbreviation	Detailed description
ARNU	Alien Registration Number - A unique number assigned to non-citizens by immigration authorities.
CCPT	Passport Card - A wallet-sized card issued by the government as a travel document.
DRLC	Driver's License - An official document permitting a specific individual to operate one or more types of motorized vehicles.
FIIN	Foreign Identification Number - An identification number assigned to foreign nationals.
IDCD	Identity Card - A card used to prove a person’s identity.
LEIX	Local Entity Identifier - A unique identifier for local entities within a country.
MISC	Miscellaneous - Other types of identification documents not specifically categorized.
RAID	Resident Alien ID - An identification card for resident aliens.
SOCS	Social Security Number - A number issued to U.S. citizens, permanent residents, and temporary (working) residents.
TXID	Tax Identification Number - A number used for tax purposes in various countries.