The policy for the acquisition and use of EPA designated items, i.e., items with recovered/recycled content, is set forth at 48 CFR (FAR) 23.4 - Use of Recovered Materials as supplemented by 48 CFR (DEAR) 923.405(e) and by 48 CFR (FAR) 23.704, Application to Government-owned or leased facilities, and 48 CFR (FAR) 23.705, Contract clause.