Project contractors and subcontractors are not required to be CoC certified, according to the LEED Reference Guide.  However, vendors, suppliers, manufacturers are required to hold and provide CoC tracking numbers as the product moves throughout the

Project contractors, subcontractors, and furniture installers are not required to be CoC certified, as long as they do not modify products beyond what is required for installation, according to the LEED Reference Guide.  However, vendors, suppliers, manufacturers are required to hold and provide CoC tracking numbers as the product moves throughout the supply chain.

It is unwise to assume that 100% of an assembly is FSC-certified, just because the product literature says that it is. Double-check with the manufacturer on what percentage of the assembly (by weight, volume, or cost choosing one consistently) is FSC wood

It is unwise to assume that 100% of an assembly is FSC-certified, just because the product literature says that it is. Double-check with the manufacturer on what percentage of the assembly (by weight or volume choosing one consistently) is FSC wood and allocate that percentage of the total assembly cost toward the credit calculations.