Congress has tried to make higher education more affordable by providing favorable tax treatment to savings accumulated in qualified tuition programs (QTPs), also called Section 529 programs after their citation in the Internal Revenue Code. QTPs initially allowed individuals to save for qualified higher education expenses(QHEEs) on a tax-deferred basis. The Pension Protection Act of 2006 (PPA) made permanent the temporary enhancements to QTPs contained in the Economic Growth and Tax Relief Reconciliation Act of 2001.The enhancements include making qualified withdrawals from QTPs tax-free. One type of QTP, prepaid tuition plans, enables account owners to make payments on behalf of student beneficiaries for a specified number of academic periods/course units at current prices thereby providing a hedge against tuition inflation. States were the only sponsors of prepaid plans until Congress extended sponsorship to eligible higher education (private) institutions effective in 2002.States...