This bill would change federal tax law to prohibit certain professional women's sports franchises from receiving tax benefits. Specifically, it would prevent franchises designated for female athletes from deducting the amortization of "goodwill" and other intangible assets acquired when buying or operating the team if the franchise allows any biological males to participate. The bill defines sex based on reproductive biology and genetics at birth. The measure would apply to any property acquired after the bill becomes law and would require the Treasury Department to issue regulations determining which franchises qualify as women's sports leagues and which ones allow male participation. This legislation would primarily affect professional women's sports teams and their owners by eliminating a standard tax deduction available to most sports franchise purchases.