Exporters can find the Schedule B number using the free online Schedule B Search accessible through www.census.gov/scheduleb. If you need export classification assistance, email email@example.com or call 1-800-549-0595, Menu Option #2.
For assistance identifying your appropriate HS number, you may also contact your local Export Assistance Center or call the Trade Information Center (TIC):
To get a duty rate for importing products into a foreign country, one needs to have the complete classification number used by the importing country. Since this is sometimes difficult, companies can use the Schedule B number to approximate.