GFSI have announced the GFSI Guidance Document with be updated to include requirements to prevent Food Fraud:
GFSI Position Paper on Mitigating the Public Health Risk of Food Fraud
'In order to ensure transparency, the GFSI Board believes that the mitigation of food fraud is an integral part of a company's food safety management system, and has therefore decided to include new requirements specific to food fraud mitigation in the next full revision of the GFSI Guidance Document 7th Edition which will be released in early 2016.
PARIS, 15th July 2014
Source GFSI here