This document deals with the assessment of the proportion of reused components in energy-related products on a generic level, which can be applied at any point in the life of the product.

This document is intended to be used by product technical committees when producing product, or product-group, standards.

This document can be applied where no product-specific standard exists.

Aspects like performance, validation, verification and suitability of reused components are not in the scope of this document.