article: SECTION 1. TEMPORARY DUTY SUSPENSIONS ON CERTAIN HIV DRUG SUBSTANCES. (a) In General.--Subchapter II of chapter 99 of the Harmonized Tariff Schedule of the United States is amended by inserting in numerical sequence the following new headings: `` 9902.32.14 (S)-N-tert-butyl- 1,2,3,4- tetrahydro-3- isoquinoline carboxamide (CAS No. 149182- 72-9)(provided for in subheading 2933.40.60).... Free No change No change On or before 6/ 30/99 9902.32.16 (S)-N-tert-butyl- 1,2,3,4- tetrahydro-3- isoquinoline carboxamide hydrochloride salt (CAS No. 149057-17-0)(pr ovided for in subheading 2933.40.60).... Free No change No change On or before 6/ 30/99 9902.32.18 (S)-N-tert-butyl- 1,2,3,4- tetrahydro-3- isoquinoline carboxamide sulfate salt (CAS No. 186537- 30-4)(provided for in subheading 2933.40.60).... Free No change No change On or before 6/ 30/99 9902.32.20 (3S)-1,2,3,4- tetrahydroisoqu inoline-3- carboxylic acid (CAS No. 74163- 81-8)(provided for in subheading 2933.40.60).... Free No change No change On or before 6/ 30/99 '' (b) Effective Date.--The amendment made by subsection (a) applies with respect to goods entered, or withdrawn from warehouse for consumption, on or after the date that is 15 days after the date of enactment of this Act.
summary: Amends the Harmonized Tariff Schedule of the United States to suspend, through June 30, 1999, the duty on certain drug substances used as HIV antiviral drugs: (1) (S)-N-tert-butyl-1,2,3,4-tetrahydro- 3-isoquinoline carboxamide; (2) (S)-N-tert-butyl-1,2,3,4-tetrahydro-3- isoquinoline carboxamide hydrochloride salt; (3) (S)-N-tert-butyl- 1,2,3,4- tetrahydro-3-isoquinoline carboxamide sulfate salt; and (4) (3S)-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid.