Conventional retail bank licensees must include in the design of dedicated interface, a strategy and plans for contingency measures in the event of an unplanned unavailability of the interface and systems breakdown. The strategy must include communication plan to inform the relevant AISP/PISP making use of the dedicated interface in the case of breakdown, measures to bring the system back to 'business as usual' and a description of alternative options AISPs and PISPs may make use of during the unplanned downtime.