Form i-485, Application to Register Permanent Residence or Adjust Status

6. 

Marriage Certificate and Other Proof of Relationship

If you are filing Form I-485 as the derivative applicant spouse of the principal applicant, you generally must submit 

a photocopy of your marriage certificate issued by the appropriate civil authority where the marriage took place.  

Refugee derivative applicant spouses do not need to submit a photocopy of the marriage certificate.  There are also 

some immigrant categories that require the principal applicant to submit a marriage certificate (for example, K-1 

nonimmigrants (person admitted to the United States as a fiancé(e)), abused spouses and children under the Cuban 

Adjustment Act (CAA), Haitian Refugee Immigration Fairness Act (HRIFA) dependents, and abused spouses and 

children under HRIFA).  See the