public void ExportDataImp44(TextWriter writer)
        {
            StringBuilder builder = ImportUtils.CreateLine(44);

            DateTime?nepr_datum_zac = UtilsTable.DatumTecky(NeprZacat);
            DateTime?nepr_datum_kon = UtilsTable.DatumTecky(NeprKonec);

            if (!nepr_datum_kon.HasValue)
            {
                nepr_datum_kon = new DateTime((int)RokPocitany(), 12, 31);
            }
            ImportUtils.AppendField(builder, OsobCislo);                                                //IMP00_OSOBCISLO
            ImportUtils.AppendField(builder, PPomCislo);                                                //IMP17_PPOMER
            ImportUtils.AppendField(builder, NeprSlKod);                                                //const int IMP44_KODNEPR = 4;
            ImportUtils.AppendEmpty(builder);                                                           //const int IMP44_KODNEPRTEXT = 5;
            ImportUtils.AppendField(builder, nepr_datum_zac.Value.ToString("dd.MM.yyyy"));              //const int IMP44_DATUMZAC = 6;
            ImportUtils.AppendField(builder, nepr_datum_kon.Value.ToString("dd.MM.yyyy"));              //const int IMP44_DATUMKON = 7;
            ImportUtils.AppendField(builder, UtilsTable.DatumPocetDnu(nepr_datum_zac, nepr_datum_kon)); //const int IMP44_POCETDNU = 8;
            ImportUtils.AppendEmpty(builder);                                                           //const int IMP44_VYLOUCENA = 9;
            ImportUtils.AppendEmpty(builder);                                                           //const int IMP44_DOKLAD = 10;
            ImportUtils.AppendEmpty(builder);                                                           //const int IMP44_NAZEVZAM = 11;
            ImportUtils.AppendEmpty(builder);                                                           //const int IMP44_ICZAM = 12;
            ImportUtils.AppendEmpty(builder);                                                           //const int IMP44_DATPOROD = 13;
            ImportUtils.AppendEmpty(builder);                                                           //const int IMP44_HODNOTAKC = 14;

            writer.WriteLine(builder.ToString());
        }