PEFC (GFS) Accreditations Toggle navigation Overview News Offices Standard Download CSQA Documents Accreditations ACCREDIA PEFC (GFS) Accreditations PEFC (GFS) P- PEFC "Sustainable Forest Management" (SFM): ITA 1000; ITA 1001-1; ITA 1001-2. Sustainable Poplar Plantation Management ITA 1004; ITA 1004-1.