An optional group of data elements which together specify a unit price, repeatable in order to specify multiple prices. Each <SupplyDetail> composite must include either one or more prices, or a single <UnpricedItemType> element (see P.26.42).

Where multiple prices are specified for a product, each price option should specify a distinct combination of its terms of trade and the group of end customers it is applicable to, any relevant price conditions, periods of time, currency and territory etc, so that the data recipient can clearly select the correct pricing option. If, under a particular combination, the product is free of charge or its price is not yet set, an <UnpricedItemType> element (P.26.70b) must be used in place of a <PriceAmount>. Each pricing option may optionally be given an identifier for use in subsequent revenue reporting or for other internal purposes.