USCIS Lockbox procedure

[nishant2200]

Credit to OH Law firm, whose initial post led to this digging. Very useful to know:

Overview of USCIS intake process
http://www.uscis.gov/portal/site/uscis/menuitem.5af9bb95919f35e66f614176543f6d1a/?vgnextoid=0c23898ab9c8f210VgnVCM100000082ca60aRCR D&vgnextchannel=1a71898ab9c8f210VgnVCM100000082ca60a RCRD

Lockbox Q&A
http://www.uscis.gov/portal/site/uscis/menuitem.5af9bb95919f35e66f614176543f6d1a/?vgnextoid=3314898ab9c8f210VgnVCM100000082ca60aRCR D&vgnextchannel=1a71898ab9c8f210VgnVCM100000082ca60a RCRD

Lockbox filing tips
http://www.uscis.gov/portal/site/uscis/menuitem.5af9bb95919f35e66f614176543f6d1a/?vgnextoid=880264337c77e210VgnVCM100000082ca60aRCR D&vgnextchannel=db029c7755cb9010VgnVCM10000045f3d6a1 RCRD