PURCHASE OF PEFC CERTIFIED PAPER AND PAPER BOARD, MANUFACTURING AND SALES OF PEFC CERTIFIED STATIONERY PRODUCTS (EXERCISE BOOK, PAD, INDEX CARD, FILE FOLDER, BOOK, CALENDARS, DIARIES, ORGANIZERS, SACKS AND PAPER BAGS) 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 OF THE CHAIN OF CUSTODY STANDARD