To extend the suspension of duty on the mixture of 5,5-BisÝ(g,v-perfluoro(C4-20)alkylthio)methyl¨-2-hydroxy-2-o o-1,3,2-dioxaphosphorinane, ammonium salt (CAS No. 148240-85-1) and 2,2-bisÝ(g,v-perfluoro(C4-20)-alkylthio)methyl¨-3-hydroxypro yl phosphate, diammonium salt (CAS No. 148240-87-3) and di-Ý2,2-bisÝ(g,v-perfluoro-(C4-20)alkylthio)methyl¨¨-3-hydro ypropyl phosphate, ammonium salt (CAS No. 148240-89-5) and 2,2-bisÝ(g,v-perfluoro(C4-20)alkylthio)methyl¨-1,3-di-(dihyd ogenphosphate)propane, tetraammonium salt.

Amends the Harmonized Tariff Schedule of the United States to extend the suspension of duty on the mixture of 5,5-BisY(g,v-perfluoro(C4-20)alkylthio)methyl?-2-hydroxy-2-o o-1,3,2-dioxaphosphorinane, ammonium salt (CAS No. 148240-85-1) and 2,2-bisY(g,v-perfluoro(C4-20)-alkylthio)methyl?-3-hydroxypro yl phosphate, diammonium salt (CAS No. 148240-87-3) and di-Y2,2-bisY(g,v-perfluoro-(C4-20)alkylthio)methyl??-3-hydro ypropyl phosphate, ammonium salt (CAS No. 148240-89-5) and 2,2-bisY(g,v-perfluoro(C4-20)alkylthio)methyl?-1,3-di-(dihyd ogenphosphate)propane, tetraammonium salt.