Follow the actual applicable notice and rules. Do not invent a deadline or presume that requesting records creates an extension.
Plan the response around the real requirement
Track receipt, preparation and submission accurately and address any concern through the applicable process. A response filing is not conditional residence and does not begin the I-829 anniversary.
EB-5 moves through petition, visa availability, then an immigrant visa abroad or a legitimate adjustment, conditional residence, and later Form I-829, ordinarily filed during the ninety-day period immediately before the second anniversary of conditional residence. Requesting historical tax information, plan contribution histories and succession documents on day one, in parallel rather than in sequence, usually saves months. The two-year conditional period starts later, on admission as a conditional resident. The common error is merging a statutory price change with an I-829 deadline.
At filing, the record must show qualifying capital already committed under the applicable investment process, and the job plan must be credible.