Petitioners who believe that their I-526 was denied in error have the option of appealing to the Administrative Appeals Office. AAO decisions on these appeals eventually get published to the USCIS website, where I read them and take notes to learn more about directions in EB-5 adjudications.
Source: https://blog.lucidtext.com/2020/10/19/aao-decisions-on-source-and-path-of-funds-appeals/
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