Although every case is unique and various supporting documents can be submitted to validify the case, generally speaking, an I-526 petition package must include the proof that the required amount of investment has been made by the investor in an EB-5 eligible project and the project has received or will receive the investment. USCIS is also looking for documents with a detailed description of how the investment funds were obtained by the investor through legal means. Investors also need to include a business plan in the application packages, explaining how the required jobs will be created by the money they invested.