 The SFI 2015-2019 Fiber Sourcing Standard promotes responsible forestry practices based on 14 Principles, 13 Objectives, 21 Performance Measures and 55 Indicators that address the 90 percent of the world's forests that are not certified.The SFI 2015-2019 Fiber Sourcing Standard distinguishes SFI from all other forest certification programs in that it sets mandatory practice requirements for the responsible procurement of all fiber, even if it is sourced from non-certified land.These fiber sourcing requirements include measures to broaden the practice of biodiversity, use best management practices to protect water quality, and utilize the services of forest management and harvesting professionals.