Commission Implementing Regulation (EU) 2015/619 of 20 April 2015 fixing the allocation coefficient to be applied to the quantities on which applications for import licences and applications for import rights lodged from 1 to 7 April 2015 are based and establishing the quantities to be added to the quantity fixed for the sub-period from 1 October to 31 December 2015 under the tariff quotas opened by Regulation (EC) No 616/2007 for poultrymeat