Approval of Permanent Residency FAQ (A0562)
Maintaining Lawful Permanent Resident Status memo (A8103)
Reentry Permits memo  (A8124)
USCIS color photograph specifications (Dept. of State website)
USCIS Application Support Centers  (USCIS website)

DISCLAIMER: This information is intended for clients of Jackson & Hertogs only.  This is not intended to provide legal advice to non-clients of this firm.  Nor will we respond to inquiries from non-clients.  You should seek your own legal counsel in these matters.