id,hts_code,indent,description,unit,general_rate,special_rate,column2_rate,footnotes,chapter_id
21658,2620.30.00.40,2,Silver content,Ag g,,,,"[{""columns"": [""units""], ""marker"": ""1"", ""value"": ""Report value only of stated metal content."", ""type"": ""endnote""}]",30