A bill to amend the Internal Revenue Code of 1954 to provide that consolidated returns may not be filed by certain corporations which are dominant in any market with respect to any product.

Amends the Internal Revenue Code to provide that consolidated returns may not be filed by any corporation which is determined by the Secretary of the Treasury to be a disqualified oligopolistic corporation.

Defines "disqualified oligopolistic corporation" as any corporation which: (1) has more than $250,000,000 in gross receipts for the taxable year; and (2) derives more than $100,000,000 in gross receipts for such year from the sale of any product if such sales account for ten percent or more of the total market in any relevant market area.