rules for filing form 8814
1) the child's only income is from dividends, interest or capital gain distributions (gains/losses from stock sales is a disqualification as is having earned income)
2) his grioss income is under $13K
3) he has no withholding or estimated tax payments and he did not file last year and applied an overpayment of taxes to 2024
4) he's under 19 at the end of 2024 or under 24 if a full time student
whether to amend once your return is fully processed may depend on how much interest was omitted. The IRS is unlikely to bother you for a small amount. But what is small?