ThispartofBS8887specifiestheprocessforreworkingandremarketingused computinghardwarebythefollowingcategoriesoforganizations. OEMs(tier1). OEM-contractedandauthorizedserviceproviders(tier2). Independentremarketingcompaniesandserviceproviders. NOTE 1 A remarketed product can also be sold direct by the original or current user to a new user, generally with no reworking, or assurances or warranty offered. Such arrangements are not within the scope of this part of BS 8887. NOTE 2 There might be differences between each tier in the levels of expertise, capability and available resources, so the tier through which a used product is returned and processed can affect the category of remarketing and depth of reworking required. ThispartofBS8887isapplicabletothereworkingandremarketingofhardware and,whererelevant,theoperatingsystemsoftwareandfirmware,butdoesnot applytoapplicationsoftwareorpersonalproductivitytools. ItisintendedtobeusedinconjunctionwithBS8887-1,BS8887-2,BS8887-220, BS8887-240andPAS141.