0912 Gas fuel (Natural gas for Lviv, Volyn, Rivne and Ternopil regional departments of the Western branch of the UDCR: Lot No. 1 - "Natural gas for the Western branch of the UDCR (Lviv); Lot No. 2 - "Natural gas for the Volyn regional department ... I will Western Branch of the UDCR (Lutsk, Volyn region)"; Lot No. 3 - "Natural gas for the Rivne Regional Department of the Western Branch of the UDCR (Rivne, Rivne region)"; Lot No. 4 - "Natural gas for the Ternopil Regional Department of the Western Branch of the UDCR (Ternopil)").