46Second, other provisions of Directive 2001/14 give support to a broader interpretation of the words ‘determination of the charge’ in the second subparagraph of Article 4(1) thereof than that advocated by the Kingdom of Spain. Indeed, Article 6(2) of the directive provides that the infrastructure manager is to be given incentives to reduce the costs of provision of infrastructure and the level of access charges. In accordance with Article 8(2) of the directive, the infrastructure manager may set or continue to set higher charges on the basis of the long-term costs of certain investment projects. Article 9 of the directive allows the infrastructure manager to introduce a system of discounts on the charges levied on operators.