Commission Regulation (EEC) No 1996/86 of 27 June 1986 amending Regulations (EEC) No 618/86, (EEC) No 619/86, (EEC) No 620/86, (EEC) No 621/86 and (EEC) No 622/86 as regards staggering the initial quotas for 1986 for imports into Portugal and Spain of egg and poultrymeat products and of meat of domestic rabbits