Reza RahbaranImmigration Attorney
Your attorney will mail a hard copy of your I-526 petition to USCIS. E-filing is not yet available. The physical green card expires in 10 years, but your green card status does not. A permanent green card holder is not required to apply for U.S citizenship. If U.S. citizenship is denied, a permanent resident may keep the current status provided that he/she still eligible for permanent residence status.