Further areas of advice include exports, imports, and interstate shipments of plant and animal products, which are subject to a variety of permit, quarantine, detention, inspection, sampling, registration and other requirements typically administered by USDA or by HHS/FDA/CDC if human beings are involved and there are dangers of pest or disease dissemination, such as those involving BSE. Counsel is also given on related Department of Transportation, International Air Transport Association Dangerous Goods Regulations, and Department of Commerce requirements, among other transport requirements.