Assistance for U.S. Lawful Permanent Residents (LPRs)
Useful definitions
USCIS – United States Citizenship & Immigration Services
LPR – Lawful Permanent Resident
I-551 – official name for Alien Registration Card (green card) or Permanent Resident Card
I-131 – Application for a Travel Document/Reentry Permit
I-90 – Application for Renewal of I-551card
I-751 – Petition to Remove the Conditions on Residence
I-829 – Petition by Entrepreneur to Remove Conditions
I-407 – Abandonment of Lawful Permanent Resident Status
DS-117 – Application form for Returning Resident
SB-1 – Immigrant Visa for returning residents who lost their LPR status
Transportation Letter – letter issued by US Embassy/Consulate, valid for 30 days, authorizing a carrier to board a passenger en route to the U.S. who does not possess his/her green card because of a loss, theft, etc.
You can retrieve the above mentioned application forms and blank petitions from the section “Immigration forms” on the USCIS website.