No. Commercial funding dates do not themselves preserve a child’s eligibility. Have applicable age-protection rules assessed under the actual immigrant category and dates.
Keep the family timeline separate from the sale schedule
Record the child’s birth date, marital status and relevant petition and processing events. Ask which steps matter and when. Do not assume payment of an investment or fee freezes age or guarantees simultaneous family outcomes. If the instalment is delayed, update the planning facts without claiming that the contract controls immigration eligibility.
Derivative family members obtain conditional permanent residence alongside the investor rather than a dependent work restriction, so a spouse is not barred from employment in the way a temporary category's dependants can be, and children may study. Where a child is within a few years of twenty-one, the age calculation should be obtained early and revisited whenever the plan slips, because a postponement made for ordinary business reasons can quietly change a family member's outcome. Civil documents are frequently the slowest items to obtain, particularly where a registration must be requested from another country, and age-related eligibility questions for a child should be raised with counsel early rather than discovered when the rest of the file is ready.