Unable to Save International Shipping Due to Invalid Harmonized Code.

When users are unable to ship internationally due to error "Invalid Harmonized Code" notwithstanding the presence of an assigned manufacturer tariff in the item record, perform the following:

1. Navigate to Lists > Accounting > Items.
2. Click Edit next to the item to be shipped in relation to the transaction.
3. On Basic tab, locate Manufacturer Tariff field.
4. Make sure that the tariff code assigned in the item is a valid 10-character code.

Note: Visit this site to get a list of valid manufacture tariff codes: http://www.usitc.gov/publications/docs/tata/hts/bychapter/0911c84.pdf