H.R.1733: To prohibit the inclusion of earmarks in conference reports that were not in the House- or Senate-passed bills.

Appropriations Transparency Act of 2007 - Allows a point of order to be made by any Member in the House of Representatives or the Senate against consideration of a conference report that includes any earmark or tax earmark not committed to conference by either chamber.

Defines "tax earmark" as any revenue-losing provision that provides a federal tax deduction, credit, exclusion, or preference to only one beneficiary (determined with respect to either present law or any provision of which the provision is a part) under the Internal Revenue Code in any year for which the provision is in effect.