A bill to extend and modify the temporary reduction of duty on 3,3'-dichlorobenzidine dihydrochloride ([1,1'-biphenyl]-4,4'-diamino, 3,3'-dichloro-).

Amends the Harmonized Tariff Schedule of the United States to decrease temporarily the duty on 3,3 031'-dichlorobenzidine dihydrochloride ([1,1 031'-biphenyl]- 4,4 031'-diamino, 3,3 031'-dichloro-).