Amends the Harmonized Tariff Schedule of the United States to extend the suspension, through December 31, 2008, of the duty on 9,10-Anthracenedione, 1,5-dihydroxy-4-nitro-8-(phenylamino)-and 9,10-Anthracenedione, 1,8-dihydroxy-4-nitro-5-(phenylamino)-.