Judgment of the Court (Second Chamber) of 16 February 2006.#Ulf Öberg v Försäkringskassan, länskontoret Stockholm.#Reference for a preliminary ruling: Länsrätten i Stockholms län - Sweden.#Freedom of movement for workers - Officials and servants of the European Communities - Parental benefits - Taking into account of the period of affiliation to the Joint Sickness Insurance Scheme of the European Communities.#Case C-185/04. Judgment of the Court (Second Chamber) of 16 February 2006.