4.5 Are documents on file covering purchased material specifications?
4.6 Is use of recycled or regrind material in products or process documented and controlled?
4.7 Does the documentation define how the supplier monitor consistency of recycled material used in products or process?
4.8 Are records on use of recycled or regrind material available for review upon request?
4.9 Does the supplier use any material (tantalum, tungsten, tin, gold) that can be derived from minerals mined in armed conflict regions (i.e., conflict minerals)? If yes, supplier must disclose smelter information per EICC, and records should be available for audit that confirm the supplier is not procuring these material from armed conflict regions.