To limit the development or implementation of a return-free tax system.

Tax Return Choice Act of 2006 - Prohibits the Internal Revenue Service from providing individual taxpayers with free electronic tax preparation and filing services except through the Free File program and the Internal Revenue Service's Taxpayer Assistance Centers, Tax Counseling for the Elderly, and volunteer income tax assistance programs. Repeals the provision of the Internal Revenue Service Restructuring and Reform Act of 1998 directing the Secretary of the Treasury to develop a return-free tax system.