USCIS mentioned the following in the notice for the documents already submitted:
- Joint Federal Income Tax return forms with no evidence showing they were properly filed
- Unsigned joint lease
- Joint bank account statements spanning short period of time that do not show you and your spouse have actively used the account throughout your marriage
- joint health and dental insurance benefits page without proof of premium payments
Please submit evidence to show that you and your spouse entered the marriage in good faith and continue to share a life together. The evidence should cover the entire period of your marriage.
This could include: Joint residency, combines financial resources, affidavits from third parties, any other relevant documents