PURCHASE OF PEFC CERTIFIED AND PEFC CONTROLLED SOURCES WOOD PELLETS AND SAWMILL WASTE (SLABS, OFFCUTS, CHIPS, SHAVINGS AND SAWDUST), MANUFACTURING, TRADING AND SALES OF PEFC CERTIFIED AND PEFC CONTROLLED SOURCES WOOD WASTE PRODUCTS (WOOD PELLETS AND WOOD CHIPS) UNDER SECTION 6.2, PHYSICAL SEPARATION METHOD AND IMPLEMENTED BASED ON APPENDIX 1 PEFC DUE DILIGENCE SYSTEM (DDS) FOR THE AVOIDANCE OF MATERIAL FROM CONTROVERSIAL SOURCES AND APPENDIX 2 IMPLEMENTATION OF THE CHAIN OF CUSTODY STANDARD BY MULTISITE ORGANISATIONS OF THE CHAIN OF CUSTODY STANDARD