What other form of identification can I take to my biometrics appointment if I don't have my ID? (I-90)
See the four acceptable IDs to present for your biometrics appointment:
"According to USCIS, acceptable forms of ID to bring with you to your biometrics appointment are a passport/photo ID from your home country, a drivers license, a military ID, or a state issued ID. CITATION: Section 1; http://www.uscis.gov/forms/file-my-application-online-e-filing/photographs-and-fingerprints"