if self.REGINFO_CV_COMPRAS_IMPORTACIONES:
            self.import_aliquots_filename = _('Import_Alicuots_%s_%s.txt') % (
                self.type, self.period_id.name)
            self.import_aliquots_file = base64.encodestring(
                self.REGINFO_CV_COMPRAS_IMPORTACIONES.encode('ISO-8859-1'))