A bill to extend the temporary suspension of duty on 1,3,6-Naphthalenetrisulfonic acid, 7-[[2-[(aminocarbonyl)amino]-4-[[4-[4-[2-[[4-[[3-[(aminocarbonyl)amino]-4-[(3,6,8-trisulfo-2-naphthalenyl)azo]phenyl]amino]-6-chloro-1,3,5-triazin-2-yl]amino]ethyl]-1-piperazinyl]- - chloro-1,3,5-triazin-2-yl]amino]phenyl]azo]-, lithium potassium sodium salt.

Amends the Harmonized Tariff Schedule of the United States to extend the temporary suspension of duty on 1,3,6-Naphthalenetrisulfonic acid, 7-[[2-[(aminocarbonyl)amino]-4-[[4-[4-[2-[[4-[[3-[(aminocarbonyl)amino]-4-[(3,6,8-trisulfo-2-naphthalenyl)azo]phenyl]ami o]-6-chloro-1,3,5-triazin-2-yl]amino]ethyl]-1-piperazinyl]- - chloro-1,3,5-triazin-2-yl]amino]phenyl]azo]-, lithium potassium sodium salt.