Proof of Identity: Documents That Show Who You Are

Proof of identity is a document that shows you are the person you say you are. Agencies usually ask for a current government-issued photo ID, and the exact list depends on the agency and the state.
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Examples in practice
The U.S. Department of State requires a physical, government-issued photo ID for adults applying for a passport in person, and a photocopy of the front and back. A fully valid in-state driver's license is one accepted type. California's DMV lists a valid U.S. passport, a certified U.S. birth certificate or a valid Permanent Resident Card as proof of identity for REAL ID, with name-change documents if your legal name differs from the document. South Carolina's vital records office requires a valid, current government, school or employer issued photo identification document.
Identity is not the same as citizenship
Proof of identity answers who you are. Proof of citizenship answers whether you are a U.S. citizen. A passport application asks for both, and a document such as a Certificate of Naturalization can serve for both on the State Department's lists. A birth certificate is evidence of citizenship, and California's DMV also accepts a certified birth certificate for REAL ID identity.
Copies of IDs
Pennsylvania, for example, asks for a legible photocopy of your ID documentation on mail applications, not your original ID cards. The State Department asks for copies on 8.5 by 11 inch white paper, front and back. Read the instructions carefully, since a poor copy can delay a request.
Frequently asked questions
Does an expired ID count?
South Carolina asks for a valid, current ID, and Pennsylvania asks for an unexpired one. Check the office's rules.
Can a digital ID be used?
The State Department says digital IDs and mobile driver's licenses are not accepted for passport applications.
Is proof of identity the same as primary ID?
Primary ID is the term some agencies use for the main document in a tiered system. See the State Department's list for an example.
Sources
US Records is a private company and is not a government agency. Government agencies issue certified records; we help you order them.

Written By
US Records TeamThe US Records Team writes and reviews guides on birth, death, marriage and divorce certificates, using state statutes, agency instructions and court records as sources.
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