Generally, qualified education expenses are expenses incurred by a beneficiary while attending an educational institution. For a list of qualified expenses, as well as the tax implications of taking a nonqualified distribution, visit 529 qualified education expenses.
Generally, if distributions are used for purposes other than qualified education expenses, the earnings will be subject to a 10% federal tax penalty in addition to federal and, if applicable, state income tax.
States take different approaches to the income tax treatment of distributions. For example, distributions for K-12 expenses may not be exempt from state tax in certain states. Tax deductions may be disallowed in the event of non-qualified distributions.