The maximum number of days specified under point 8.2 of Annex IIA to Regulation (EC) No 51/2006 shall for vessels carrying on board any of the gears referred to in point 4 of that Annex IIA, be increased by three days for vessels flying the flag of the Netherlands or the United Kingdom and involved in the submitted enhanced programmes of observer coverage referred to in point 11.1. of that Annex.