: Small mistakes in digits or hyphenated names are common reasons for verification failure.
: Some systems may only ask for the last four digits, but others require all nine. Date of Birth : Used as a secondary verification layer. VERIFY IDENTITY SSN
You will almost always be asked for the following "knowledge-based" details: : Small mistakes in digits or hyphenated names
(preferably a REAL ID compliant version). U.S. Passport or Passport Card . State-issued ID Card . U.S. Military ID . 3. Alternative Proof of SSN VERIFY IDENTITY SSN