H.R.3457: To require the Secretary of the Treasury to enter into an agreement with the Free File Alliance to provide for electronic filing of individual Federal income tax returns free of charge.

Requires the Secretary of the Treasury to enter into an agreement with the Free File Alliance to provide a forms-based software service for all individual taxpayers to electronically prepare and file their federal income tax returns through the Internal Revenue Service (IRS) website, free of charge, for taxable years beginning after 2007.

Requires the Free File Alliance to meet certain standards promulgated by the federal government for business responsibility and commerciality of products or services.

Prohibits the Secretary from implementing a return-free tax system for taxable years beginning after 2007, unless authorized to do so by an Act of Congress.