256_99 interference 99. The Court reiterates in this connection that a decision or measure favourable to an applicant is not sufficient in principle to deprive him of his status as a “victim” unless the national authorities have acknowledged, either expressly or in substance, and then afforded redress for, the breach of the Convention (see Öztürk v. Turkey [GC], no. 22479/93, § 73, ECHR 1999-VI; Erdoğdu v. Turkey, no. 25723/94, § 72, ECHR 2000-VI; Müslüm Özbey v. Turkey, no. 50087/99, § 26, 21 December 2006; and Ulusoy v. Turkey, no. 52709/99, § 34, 31 July 2007).