Chimney Pipe Sections of Stainless Steel; Double Walled and Insulated; Ruling 087434, Dated October 18, 1990
The tariff classification and country of origin of pipe-in-pipe assemblies
The tariff classification and country of origin of pipe-in-pipe assemblies. Correction to Ruling Number N328388.
The tariff classification of double walled and insulated stove pipes from Canada
The tariff classification of stainless steel gas vent system components from Canada.