11 CFR § 110.19 - Contributions by minors.
An individual who is 17 years old or younger (a Minor) may make contributions to any candidate or political committee that in the aggregate do not exceed the limitations on contributions of 11 CFR 110.1, if -
(a) The decision to contribute is made knowingly and voluntarily by the Minor;
(b) The funds, goods, or services contributed are owned or controlled by the Minor, such as income earned by the Minor, the proceeds of a trust for which the Minor is the beneficiary, or funds withdrawn by the Minor from a financial account opened and maintained in the Minor's name; and
(c) The contribution is not made from the proceeds of a gift, the purpose of which was to provide funds to be contributed, or is not in any other way controlled by another individual.