If you would like to add a derivative family member when removing conditions, just send an email to USCIS.ImmigrantInvestorProgram@uscis.dhs.gov, and include the following in the subject line: “Request to Add Derivative to Form I-829.” IPO will respond with a cover sheet, which should be sent to the Dallas lockbox facility along with the following items: Copy of receipt notice for Form I-829 Form I-829, specifying relationship to newly added family member Proof of relationship Evidence proving identity of newly added family member Form G-28, officially called “Notice of Entry of Appearance as Attorney or Accredited Representative” (if necessary) $[sv slug="biometrics-fee"] for biometrics fee (if the new family member is between 14 and 79 years old)