Most – first time – exporters of commercial food equipment to the United States and Canada sooner or later hear about ‘’NSF’’. A distributor, customer or colleague will tell them, for instance, that their products "need NSF" on the North American market. What exactly do they mean by that, and what is the background of this requirement? This short article explains the background of the NSF certification for North America. It is a summary of a longer article that you can request by sending an e-mail to firstname.lastname@example.org.