Annex: Specifications for the protein source, protein processing and protein quality used in the manufacture of infant formula based on hydrolysates of whey protein derived from cows’ milk protein - Commission Regulation (EC) No 1609/2006 of 27 October 2006 authorising the placing on the market of infant formulae based on hydrolysates of whey protein derived from cows’ milk protein for a two-year period (Text with EEA relevance)