Following the approval of the I-526 application, an investor in the United States could file simultaneously I-485 to receive the conditional green card. Once they file I-485, they can also file I-131 to travel abroad and I-765 to obtain work authorization. Because I-485, Application to Register Permanent Residence or Adjust Status, can take several months, following I-526 approval, filing I-131 and I-765 to travel abroad and to be able to work is an excellent idea.
