Fortum Network Częstochowa Sp. Z.o.o. Business ID 365569303 VAT number PL 8952097040 E-invoices e-Invoice operator BAWCFI22 e-Invoice address PL89520970409851 PDF invoices Fortum.PL9851 [at] bscs.basware.com Paper invoices Purchase invoices (9851) ul. Antoniego Slonimskiego 1A, 50-304 Wrocław Poland