Judgment of the Court of 14 March 2000 in Joined Cases C-102/98 and C-211/98 (references for a preliminary ruling from the Bundessozialgericht): Ibrahim Kocak v Landesversicherungsanstalt Oberfranken und Mittelfranken (C-102/98) and Ramazan Örs v Bundesknappschaft (C-211/98) (EEC-Turkey Association Agreement — Decisions of the Association Council — Social Security — Principle of non-discrimination on grounds of nationality — Direct effect — Scope — Legislation of a Member State on determination of dates of birth for the purposes of allocating a social security number and awarding a retirement pension)