(22)The quality of the services provided by account information service providers and payment initiation service providers will be dependent on the proper functioning of the interfaces put in place or adapted by account servicing payment service providers. It is therefore important that in case of non-compliance of such interfaces with the provisions included in these standards, measures are taken to guarantee business continuity for the benefit of the users of those services. It is the responsibility of national competent authorities to ensure that account information service providers and payment intitation service providers are not blocked or obstructed in the provision of their services.