Commission Implementing Regulation (EU) 2015/57 of 15 January 2015 amending Implementing Regulation (EU) No 792/2012 as regards the rules for the design of permits, certificates and other documents provided for in Council Regulation (EC) No 338/97 on the protection of species of wild fauna and flora by regulating trade therein and in Commission Regulation (EC) No 865/2006 laying down detailed rules concerning the implementation of Council Regulation (EC) No 338/97