Commission Implementing Regulation (EU) 2017/1918 of 19 October 2017 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 October 2017 are based and establishing the quantities to be added to the quantity fixed for the sub-period from 1 April to 30 June 2018 under the tariff quotas opened by Regulation (EC) No 616/2007 for poultrymeat