20.To assist FSS in carrying out its duty to compile and review information, section 20 allows it to carry out observations, for example, through visits and inspections either routine or unannounced, of businesses in any part of the supply chain in order gain information about food or animal feeding stuffs. This provision extends to all aspects of food production (e.g. farms and production plants), food supply (e.g. wholesale or retail) or food consumption (e.g. food outlets and restaurants).