Exports and Reexports to Cuba, Iran, and Sudan Under the Trade Sanctions Reform and Export Enhancement Act: http://www.bis.doc.gov/licensing/tsranexpenhanceactfactsheet122101.html
Licensing: http://www.bis.doc.gov/licensing/index.htm
Exports of Agricultural Commodities, Medicines, and Medical Devices to Cuba: http://www.bis.doc.gov/licensing/tsra_toc.html
Guidelines on Sales and Donations of Medicines and Medical Equipment to Cuba: http://www.bis.doc.gov/licensing/medsht.htm
Revisions to Gift Parcel and Baggage Restrictions: http://www.bis.doc.gov/news/2009/cubaqa.htm