America.gov (Washington, DC)
30 July 2008
Field trials have begun in a bold effort to make cassava, the primary source of calories for 800 million people worldwide, a better provider of nutrition and increase its revenue-producing potential, especially for farmers in sub-Saharan Africa.
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There is, in reality, NO government approval process in the US. Corporate data is accepted and becomes the basis for blanket "approvals." There certainly is no independent governmental testing, etc.
"Stringent" could only be used as an adjective from someone who is not knowledgable or who is receiving industry/government support.