Usually upon the approval of the I-526 petition you can immediately apply for conditional permanent residency.this prices may take 3 to 4 months. However, with Chinese retrogression the Chinese national investor may have to wait beyond the approval of the I-526 petition before they can apply for conditional permanent residency.The main questions at the U.S. Consulate interview include questions about the investment project, your immigrant intent and plans to work in the US.