The information on I-864ez: Checklist of Required Initial Evidence (for informational purposes only) says,
Checklist of Required Initial Evidence (for informational purposes only)
- Proof that you are a U.S. citizen, U.S. national, or lawful permanent resident;
The actual filing instructions mention nothing about this? What satisfies "proof" there? What do I need to attach to an i-864ez to show that I am a US citizen? Does a copy of a passport work?