For the account itself, the child must be under 18 at the end of the election year, have a valid SSN issued before the election, and have no earlier Trump account election. For the pilot contribution the child must also be a US citizen, born after December 31, 2024 and before January 1, 2029, and expected to be the filer’s qualifying child for the year.
Annual contributions other than the pilot amount are limited to $5,000, of which an employer can give up to $2,500. Nothing can be deposited before July 4, 2026.