id,hts_code,indent,description,unit,general_rate,special_rate,column2_rate,footnotes,chapter_id
21017,2620.29.00.30,3,Zinc content,Zn kg,,,,"[{""columns"": [""units""], ""marker"": ""1"", ""value"": ""Report value only of stated metal content."", ""type"": ""endnote""}]",29