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September 25, 1945 part of the counties of the Recovered Territories transmitted under the management of the Białystok Voivodeship (Gołdap, Ełk and Olecko) from District IV (Mazury). These districts have provisionally become parts of the Voivodeship, although de jure continue to form part of Recovered Territories (MP, 1945 No. 29, item. 77). On June 28, 1946, the areas of the Recovered Territories assigned to Białystok Voivodeship were formally transferred.