Code indicating the basis of verification
Type
ID
Length
Max 2 / Min 1
Codes
<> 1
Birth Certificate
<> 2
Passport
<> 3
Hospital Certificate
<> 4
Affidavit
<> 5
Immigration Document
<> 6
Baptismal or Church Certificate
<> 7
Physician's Certificate
<> 8
Undocumented
<> 9
Driver's License
<> A
Photo ID
<> B
Social Insurance Certificate
<> C
US Passport
<> D
Certificate of US Citizenship
<> E
Certificate of Naturalization
<> F
Unexpired Foreign Passport with Stamp or Attached Immigration and Naturalization Service (INS) Form Indicating Unexpired Employment Authorization
<> G
Alien Registration Receipt Card with Photograph
<> H
Unexpired Temporary Resident Card
<> I
Unexpired Employment Authorization Card
<> J
Unexpired Reentry Permit
<> K
Unexpired Refugee Travel Document
