There are different departments involved with the processing of a non-immigrant K-1 fiance visa. There are different types of requests for evidence (RFE) generally issued by department.
Top 3 RFEs at the USCIS
- Proof that intent to marry was genuine.
- Proof of meeting in person within two years of filing their petition.
- Proof that all prior marriages were terminated.
Top 3 RFEs at the U.S. Embassy or Consulate
- Proof of bona fide relationship.
- Proof that sponsor meets the minimum income requirement according to the HHS Poverty Guidelines or provide a joint sponsor if acceptable. (Note: Joint sponsors aren't available for all countries for K1 visas, including the Philippines)
- Supporting documents:
- Police certificates from foreign countries.
- Police certificate including all prior names used.
- Divorce decrees or annulment paperwork including translations if applicable.