Tariff Schedule Rulings D-Memoranda Trade Remedies PGA Requirements Sanctions Regimes

Subheading 2901.23

Acyclic hydrocarbons. - Unsaturated: - Butene (butylene) and isomers thereof

3 tariff line items

HS Code	Description	MFN Duty	Pref. Rate	UoM
2901230010	Acyclic hydrocarbons. - Unsaturated: - Butene (butylene) and isomers thereof - 1-Butene	Free	CCCT, LDCT, GPT, UST, MXT, CIAT, CT, CRT, IT, NT, SLT, PT, COLT, JT, PAT, HNT, KRT, CEUT, UAT, CPTPT, UKT: Free	KGM
2901230020	Acyclic hydrocarbons. - Unsaturated: - Butene (butylene) and isomers thereof - Isobutene	Free	CCCT, LDCT, GPT, UST, MXT, CIAT, CT, CRT, IT, NT, SLT, PT, COLT, JT, PAT, HNT, KRT, CEUT, UAT, CPTPT, UKT: Free	KGM
2901230090	Acyclic hydrocarbons. - Unsaturated: - Butene (butylene) and isomers thereof - Other	Free	CCCT, LDCT, GPT, UST, MXT, CIAT, CT, CRT, IT, NT, SLT, PT, COLT, JT, PAT, HNT, KRT, CEUT, UAT, CPTPT, UKT: Free	KGM

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