Free text which further describes the price type, qualifier, constraints and other parameters of the price. Optional, and repeatable if parallel descriptions are provided in multiple languages. The language attribute is optional for a single instance of <PriceTypeDescription>, but must be included in each instance if <PriceTypeDescription> is repeated in multiple languages. In the Netherlands and elsewhere, when the <PriceQualifier> code identifies a ‘voucher price’, the <PriceTypeDescription> should give the ‘EAN action number’ that identifies the offer.