(8)Whereas, having regard to the third paragraph of Article 3b of the Treaty, and with a view to ensuring transparency, this Directive lays down the minimum requirements needed to ensure an adequate level of customer information both before and after the execution of a cross-border credit transfer; whereas these requirements include indication of the complaints and redress procedures offered to customers, together with the arrangements for access thereto; whereas this Directive lays down minimum execution requirements, in particular in terms of performance, which institutions offering cross-border credit transfer services should adhere to, including the obligation to execute a cross-border credit transfer in accordance with the customer's instructions; whereas this Directive fulfils the conditions deriving from the principles set out in Commission Recommendation 90/109/EEC of 14 February 1990 on the transparency of banking conditions relating to cross-border financial transactions (6); whereas this Directive is without prejudice to Council Directive 91/308/EEC of 10 June 1991 on prevention of the use of the financial system for the purpose of money laundering (7);