Judgment of the Court (Fifth Chamber) of 23 November 2000. # Ursula Elsen v Bundesversicherungsanstalt für Angestellte. # Reference for a preliminary ruling: Bundessozialgericht - Germany. # Social security for migrant workers - Regulation (EEC) No 1408/71 - Articles 3 and 10 and Annex VI, Section C, point 19 - Old-age insurance - Validation of periods of child-rearing completed in another Member State. # Case C-135/99. TITJUR Elsen